The Java "setPixel" and "getPixel" functions let you flip pixels within an image. You can also use the functions to change pixels for an image you create using the Java programming…
When it comes to software development, it is a good thing to be a lazy programmer. If a programmer reuses code that he, or someone else, has already written, he can spend more time working on code for…
Java is used for both Web and desktop applications, but you must use scalable code to avoid slowness issues that devalue user experience. Scalability is the term used to describe the ability of your…
The Java programming language offers many built-in functions that allow programmers to accomplish basic tasks in everyday programming. However, these functions are sometimes not readily available to…
The Java Network Launching Program (JNLP) lets you create Web services in your Java program. You must add the JNLP libraries to your project and include the libraries in your source code. Java has an…
The JLabel control sets content on your desktop forms, which are JFrame objects in Java. The label is programmatically created, and you can then set up dynamic content to display in the label. The…
Lambda functions are a tool for making Java more efficient. Java is an object-oriented language. Java programmers use functions to model real-world objects, such as cars, people, buildings, so that…
In the Java programming language, the "keyDown" event detects each time a user presses a key. You can use this event handler in a Java application that runs in the background on a computer,…
The Java "Transformer" class converts the data you contain in your XML applications to an XLST format: a style sheet that sets up the layout for your XML data. The Transformer class is…
A multihomed host is a computer or other hardware that maintains more than one IP address. Having multiple IP addresses isn't unusual because the address relates to the Internet interface, not the…
Java socket objects are used to represent connections between two machines. However, a program using sockets can become bogged down if the program waits for a connection to establish. In this case,…
The art of debugging has become as essential to computer programming as the actual programming itself. As programming projects become more advanced, the need to good debugging necessarily becomes more…
The Java programming language, at its core, contains the basic data types and functionality to build many different data structures and representations. For example, the histogram is a representation…
PHP and Java are two popular programming languages for use in software delivered over the Web or embedded in Web pages. PHP in particular is the native language of Web development platforms such as…
Java is a programming language many websites rely on for tasks that include displaying images in 3D, chatting or playing online games. In Internet Explorer 8, IE8, Java settings are only made…
Pogo.com is a gaming website that relies on Java to stream games. However, on Firefox, the plug-in crashes the browser if it's outdated, damaged or if the browser itself isn't performing as expected.…
Encryption provides one of the best methods for securing digital data. Encryption allows the user to obfuscate data through a code that can only be decrypted by the user or other trusted individuals.…
Linked lists are basic data structures in programming. Almost every programming language has some sort of linked list implemented as a library, as well as many ways to construct linked lists. Java is…
The foundation of any programming language, Java included, is the presence of syntax that allows the program to make decisions and execute based on the conditions of the program. In Java, this is done…
Java applications can store data of various types, with individual items of data appearing within programs as values or variables. Boolean types can only have a value of either true or false.…
Gradients are aesthetically pleasing transitions between colors. Java automatically processes several kinds of gradients between user specified colors. You can set a gradient as a color while drawing…
Java allows you to perform multimedia tasks in Internet Explorer 8 (IE8), including chatting, playing games and viewing 3D images. However, it won't perform required tasks if it isn't enabled or if…
Sorting lists of data presents one of the more challenging problems for computer programmers, because it is hard to conceptualize and implement efficient sorting algorithms in programming languages.…
Programmers often want to ensure that the data users will enter into their programs will adhere to specific formats or standards. A date entry is an example of such an input. Date formats may vary,…
When a computer program executes, it stores variables and data in two locations: the stack and the heap. The stack and the heap hold different sorts of information and operate in different ways in…
To develop Java programs, the Java Development Kit, or JDK, must be installed. JDK includes a copy of the Java Runtime Engine, or JRE, which is required to run Java programs. Other components include…
Java is necessary to play Pogo games. However, Java errors usually pop up on the screen if the online gaming site is incapable of detecting the program. Java is a programming language that allows you…
Java is a versatile computer programming language which can be used to develop applications for computer, mobile devices or even appliances. When building a graphical interface with Java, it is…
The MIDI audio format sends an electronic signal that is handled by a sequencer. The Java language includes methods and classes specifically designed to control MIDI files and sequencers. Repeating or…
"Painting" is the process of rendering a control on a form in any desktop application. The Java "repaint" function repaints the image on the screen, so images that contain problems…
The "TiledLayer" class in Java creates images using tiles or a layered group of images. Each section of the image is a tile and each one contains a designated index value. You can rotate the…
The Java "visible" property lets you show and hide any task in the JFrame window. A JFrame is the main window that shows the information to the user, so you place each button, panel, label…
The "PrintWriter" statement flushes the buffered reader in the Java language. Java has a buffer that contains the information you want to output to the user. It continues to fill up and…
Depth-first search (DFS) and best-first search (BFS) are two traversals you can run on Java tree structures. They start at a specified node and branch out until they find the search object. The only…
Java methods are functions that perform some sort of work for an object, often returning some sort of output. This output can come in the form of other objects, numbers, letters or strings. In many…
Linked lists are a basic data structure used to store data. They are perfect for situations in which an unknown quantity of data is going to be stored: the list simply allows the programmer to…
Java includes database ODB drivers to connect to a database file created by manufacturers such as MySQL, Microsoft and Oracle. You must use the driver connection to "talk" to the database.…
The Java programming language includes a graph library that makes it convenient for you to set up a graph element in your Java desktop forms. You must define the number you want to input into the…
Individual lines of code in a Java project may actually all be part of a "line" in the programming sense, depending on how your project is laid out. Knowing how many actual lines are in your…
The Java language includes a "Graph()" class that imports a list of data points to set up in the initialization code. You can set up as many points as you need to render the graph, and the…
The Eclipse Java Interactive Development Environment (IDE) allows programmers to easily deploy Java applications through its included code completion functions, built-in debugger, and error checking…
The Flex programming language is used to create applications that run on Web pages and interact with website visitors. If you have a Java script or program that you want to integrate into your…
The Java programming language comes with a library for building and creating charts. You define the numeric values, set up the colors and fonts and the Java interpreter does the rest. You must include…
Java technology lets Web devlopers and software engineers create dynamic Web pages in XML, HTML and Java using the JavaServer Pages, or JSP, technology. Subscribers of GoDaddy hosting services can…
If the Firefox Java plugin isn't properly installed, is damaged or disabled, Firefox may crash when you visit websites that require Java to function properly. Java is used to display content such as…
Data and data types are the fundamental elements of any computer program. A computer allocates memory and handles input and output on the basis of the data type called for in a specific situation. In…
As a business or website grows, the computer systems that power it can either grow as well or remain stagnant. In the world of software, scalability refers to an application's ability to adapt to…
The JavaServer Pages, or JSP, technology lets you create dynamic Web content based on the HTML, XML or Java programming languages. A JSP scriptlet is used to let you embed code, such as Java, within…
The Java object hierarchy includes many classes that handle many sorts of data types and data connections. The "Socket" and "ServerSocket" classes represent simple connections a…
Java is a programming language that's required to run several application and view content on the Internet. It's required to perform a variety of functions such as chatting and playing games; however,…
Proxy classes in Java represent classes that handle method calls for other classes. Essentially, this means that when two classes inherit methods from a base interface, one class will implement the…
Java is a widely used, object-oriented programming language developed by Sun Microsystems. The Java platform is a highly flexible and portable language, making it one of the most abundantly used…
Java works from the bottom up as an object-oriented language. This means it supports classes, objects and inheritance as part of its functionality. These concepts, as integral parts of object-oriented…
In order for Java to connect to the online server to search for and install updates, it must run a process in the task manager. Jucheck.exe is the Windows process Java uses to search for updates. The…
Whether you're using Windows or a Mac, FrostWire, the open-source BitTorrent search tool, requires Java to function properly because it's written in an open-source code using Java. With an open-source…
The creators of Java designed the programming language to represent an object-oriented programming paradigm from the ground up. Concepts of objects, classes, inheritance, and polymorphism are…
In cryptography, a cipher is a mathematical technique to transform a message in such a way as to render it unreadable to anyone other than its intended audience. Ciphers and crytography have become an…
Moving objects in the Java language requires you to specify the x and y positions of the object and repaint the object to move it with color. Java libraries include an "Object" library,…
As Web applications grow more complicated, the need for comprehensive foundations to build them grows more and more. These foundations come in different varieties. Two significant ways to manage large…
In the Java programming language, advanced data types -- comprised of other advanced data types and primitive data types -- are defined in classes. When you create an instance of that class, it is…
The Java 3D libraries allow programmers to manipulate shapes and images inside a virtual 3D environment complete with textures and lighting to simulate a true 3D experience. While jumping into the API…
Developers created Java to act as an object-oriented language through and through. This means that its object-oriented capabilities are not retrofitted on an older paradigm, as is often the case in…
The JBoss server environment is distributed as open-source code. You must use your preferred Java programming software to build the software into an executable file you can use on a computer. The…
A Java "for" loop iterates through each array value in the array indexes. To get the next string in the index order, increment the index pointer by one. Java loops are used in code to loop…
Java is a popular computer programming language used for creating websites and other computing applications. A computer must have the Java Runtime Environment installed to use a Java-based…
Traversing through a Java String variable is helpful when you need to process each character in the String separately. A Java String contains a series of characters, such as an English sentence. For…
A Java emulator is a system that you can use to run ".jar" files in a different Java version than they were intended for. A ".jar" file is a compiled Java application. The most…
In the Java programming language, a Collection is an interface for storing and manipulating a gathering of data. A Set is a subtype of Collection that follows the same principles except it includes no…
Java is an object-oriented language, so you can inherit variables and functions from a parent class to the child class. OO programming allows you to create modules for each section of your program,…
Debugging is one of the crucial aspects of programming. During and after development, programmers must debug their program to ensure that no errors are present during execution. Debugging is not…
The Java programming language comprises several libraries to which you must link to provide a GUI interface for your users. You link these libraries at the top of each of your Java source code files.…
Compiling Java source code typically requires the Java Development Kit, or JDK, which includes the Java compiler, or javac, the Java Runtime Environment, or JRE, and various libraries to aid…
Java, like many other programming languages, can perform various mathematical operations. However, more complex operations involving polynomials require the programmer to understand a certain process…
The Java language for Android has several objects you use to interface with users such as text boxes, layouts and text. You can use the Eclipse designer to create these objects, or dynamically create…
Android development uses the "LinearLayout" XML layout to define and image for your Android app. After you create the LinearLayout, you call the image in your Java code to display it on the…
The Java programming language comes with a series of included data structures such as linked lists or dictionaries. However, you may at some point want to create your own implementations of data…
The Java Programming language contains many built-in data structures such as hash tables and linked list. However, you may find it useful to implement your own specific type of data structure based on…
In Java, functions are normally called methods. You can create methods inside the class declarations within your program or within the main class file. Some class methods are available only for use…
PHP, or PHP: Hypertext Preprocessor, is a server-side scripting language used to create dynamic Web pages, while Java is a programming language that can be used to write code for both Web and software…
The Java Programming language was born from the notion of building a cross-platform, object-oriented language influenced by the syntax of C. Thus Java can and does perform many of the same functions…
In Java programming, "methods" are functions within classes used to define the functionality of objects created from classes. "Static" methods are methods that the class defines…
The Java Software Development Kit, also known as the Java Development Kit, or JDK, is a software package that allows you to develop Java applications. After installing the Java SDK, open it using the…
The Java programming language is an object-oriented language developed by Sun and since acquired by Oracle. Object-oriented languages focus on objects, which define a state and behavior for some…
The Java programming language contains the capacity to perform basic and advanced mathematical calculation. It even has built-in functions that can do certain special calculations, such as square…
Overriding a static class method in Java involves the use of inheritance. If you create an inherited class that contains the same method name as the parent class, the parent class method is ignored…
Java includes a library that you use for error handling and logging the errors to a text file. You use error handling in case an error occurs in your application. Instead of crashing, the error is…
The JDOM Java SDK lets you parse and read XML from the Internet or a file stored on a user's hard drive. You must open the file and create a "builder" variable that parses the XML from the…
The Java developer SDK includes libraries for reading and editing XML files. XML lets you import and export data you use on other platforms such as exporting from a Web app to use in a desktop app.…
The Java Eclipse software lets you import a JAR library file, so you can use the files as references for your existing code. JAR files make programming more convenient, because they contain classes…
The "double" Java data type is a 64-bit floating point type that supports all numbers, including those with decimals. To accept user input decimals in Java, you must first declare a…
Shapes in Java are drawn on an x and y axis. You use the points on the x and y axis to draw simple shapes in your Java applications. For instance, if you want to draw a straight line, you define two x…
The Java compiler also has a disassembler command that lets you "decompile" a Java project file. The "javap" command runs in the Windows command line and lets you see the code…
In Java programs, calling constructor methods allows your code to create object instances of classes. When you write a class declaration in Java, you specify one or more constructor methods. Code…
When you write applications in Java, you can make use of the functionality provided by classes. This includes calling methods that appear in other class declarations within your program, or within…
When you deal with numbers in your Java programs, you can output them to users along with text. You can add numbers such as primitive-type integers to strings using the StringBuilder class. You can…
VTC is a technological education company that provides training documents and videos to software engineers who want to hone and master their Java programming skills. With the wealth of available…
You can use an array and a Java loop structure to sort a list of numbers. This method is called a "bubble" sort. Loop through each number, compare each number with the previous number, and…
The Java "substring" function lets you retrieve a part of a string and assign the new value to another variable. This feature is useful when you want to extract a part of a string and use…
The Java "system.out" function lets you print any characters to the user's window. You can use this function to print out a long string of asterisks with your Java output. You use the…
When dealing with functions in Java, the values that are contained within the functions are called the "arguments" of the function. A function can contain an unlimited number of arguments.…
The Java programming language is used to create applications for Windows, Mac and Linux operating systems. If you have a string variable being created in your program, you may need to check and verify…
A cyclic executive provides an alternative to writing a full-blown, real-time operating system. It consists of an infinite loop that contains sets of actions. Each set is preceded by a wait period…
In Java programs, you can store many data types within array structures, including booleans. You can use array variables to store sequences of both primitive type and object type booleans. Usually,…
When you visit some websites on your Android Tablet, you may receive a warning that you need to install Java to use all the functions on the site. Since the Android operating system uses a modified…
Boolean comparisons allow developers to create Java applications that can respond to user input and other unpredictable factors. Using boolean logic, you can create conditional tests on values and…
The humble print function forms the backbone of basic program debugging. By printing out selected strings to the terminal, it allows you to monitor the program's execution as it runs. The syntax of…
If you are building a program with ColdFusion coding, you may occasionally want to employ a command ColdFusion cannot handle. Some actions will only work using a specific language, such asJava. If you…
The Java programming language represents a solid presence in professional computer development. Java applications are available in homes and on mobile devices, as well as through Java Web Applets.…
MATLAB includes a Java virtual machine that lets you run a compile Java code inside MATLAB. If you want to increase the memory available to Java (the heap space), you can do so by editing a preference…
PhpBB uses the standard BBCode tags to format posts. The BBCode "code" tag posts code snippets such as Java to a phpBB post. Use the code tag to display formatted Java code that highlights…
Matlab is a scientific coding and calculation software program used by scientists, engineers and students. Matlab supports a variety of external code platforms, including Java, to build and run…
The Java "Robot" class includes a screen capturing method that lets you take a screenshot of the desktop. You use the screenshot to create an image, store in a database or email to a user.…
Programmers use the Java programming language, in part, because of its complete support of an object-oriented programming paradigm. Because of this, they can create different data objects and build an…
When you echo a string out to the screen in Java, it is left-justified by default. Center justification can be achieved, but you must apply a function to the string during the output process for it to…
Java is an object-oriented programming language used by programmers to develop applications for Web and desktop environments. When developing desktop applications, the programmer often needs to…
Java DB began through the donation of code to the open-source Apache foundation by IBM. Java developed this code in order to form the foundation of a relational database library, which became Java DB.…
One of the ways that software engineers can automate the creation of parsers, which read different types of files and other code, is to use JavaCC, or Java Compiler Compiler. A parser generator is a…
The Java "replace" function lets you replace a number of characters with another set of characters. Use this function to replace a single backslash character with a double-backslash set of…
As an object-oriented language, Java requires all local variables and methods to be associated with a class. Most of the time, these variables and methods are tied to a particular object -- variables…
Log files can be useful in troubleshooting and auditing the use of other software applications, such as those offered by the provider SAP. SAP creates software applications that enable companies to…
Java annotations provide structured comments for your source code files. Each annotation begins with the "@" symbol. Annotations describe the source code file's function and the author who…
Oracle database systems and the Java programming language are commonly used in tandem. Java-based applications and scripts can be written to log in to Oracle database servers and administer changes…
When groups of data needs to be stored quickly, the traditional, vanilla array is the most common choice. However, the array has a number of disadvantages, not least of which is that new data cannot…
A Java JPanel contains your controls that you display on a desktop form. You must create the JPanel in the Java code to open it in the form and display it for your readers. The JPanel control is a…
Parsing -- or reading -- recursive elements that are written in extensible markup language (XML) allows you to extract data from each XML element and then transfer it to parts of your application.…
In Java, a function is called a "method," and its parameters are called "arguments." A method can take any number of arguments, but a single method header can take only one defined…
When you form a connection to another computer or network device in a Java program you are writing, your program automatically connects to a particular "socket" or doorway on the other…
Simple mathematical calculations are a part of any computer program. Java uses the same addition operator as other programming languages. You must create a variable that contains the result of the…
Java lets you create desktop applications that display forms for each section of the software. To create a new form, you call the "Frame" class. The Frame class creates a new form on the screen, and…
When working with Java Strings that contain multibyte characters, it's necessary to use functions that support multibyte characters and to load an appropriate character set to display them. Multibyte…
Using numbers in Java is part of the process in creating an application that performs numerical calculations. You must first create a Java variable that you set with the proper data type. You can…
Removing the zeros from a String with recursion is helpful when you need to format numbers that may have extra zeros padded on the front. Recursion is a powerful programming technique in Java where a…
If designing a Java application that shows off images, you will find it important for the images to be the proper size. The dots per inch (dpi) image resolution is typically applied to printing, and…
Java is a programming language that allows computers to play online games. If you're having lag times while playing games online, there are a few things you can do to correct the problem. The most…
Closing an MQ connection in Java helps you to immediately free up the significant resources allocated to the connection, instead of waiting for Java's garbage collector to reclaim the resources later.…
Java contains a Random class that lets you generate a random number. You can use the random number in calculations or as an identification number for your program users. You must include the Java…
Splitting a Java String into a series of smaller Strings with a fixed width is helpful when you need to copy the data to a source that has limited space, such as a table with a specific column width.…
Although the Java programming language supports a full array of Integer and Float-type variables that are truly numeric, you can still spell a number in Java using a text-based string. Once this…
The Java Random Utility or Java Class Random is used to generate a set of random variables from numerical to text outputs to assist with anything from performing mathematical calculations to…
Java date functions let you configure and calculate dates and time functions. You must add the Java date libraries before you can create and add a date to your program functions. You first create a…
If you have written a Java application that needs to validate the file extension of an uploaded file, you can do so by adding just a few lines of code to your application. The encapsulated postscript…
Complex software systems can require the integration of different software platforms. Passing coded objects made in Java into an Oracle software application is done by passing different Java and…
Working with collections of data is a virtual requirement of programming. Whether it's a list of user information or a catalog of products, almost all projects require dealing with multiple instances…
All programs work with data in some fashion. It could even be argued that a program is simply a means to manipulate data. When creating classes to represent data, there's an often-overlooked…
When you deal with strings -- variables consisting of letters and numbers -- in Java, you may need to replace part of a particular string with another string. An example of this is if you have a…
Changing a 0 to a 1 in the denominator of a fraction helps prevent a division by zero error in your Java program. In a fraction such as "2/3," the number 2 is the numerator and the number 3 is the…
In software engineering, with languages such as Java, the code in the software executes certain commands and requests for data that may need to be stopped and left when certain conditions aren't met.…
In Java programming, you can use comments to let other people know what sections of code do. Comments help when multiple people need to work with and develop the script. The comments do not run as…
IRC Internet chat channels are used the world over by teams and individuals who want to banter about any given topic or speak with peers about special research topics or game play. Creating a bot,…
Developers created Java with two primary goals in mind. First, to create a programming language built entirely following an object-oriented paradigm. Second,to make the Java language run on top of the…
"Key listeners" in the Java programming language are triggered when you press or release a keyboard key. Keyloggers use key listeners to store the input each time the user presses a key. Programmers…
Java requires programmers to set up a pattern when formatting numbers with special characters such as the comma. You use the pattern format to display numbers greater than 999, so users can read the…
When a user clicks on a text box, the Java language places the cursor in the text box and the text box gains focus on the form. Setting an element's focus and determining the focus element are two…
When you raise a number to a separate number, called the "exponent," you perform an exponential operation on the original number. This is a basic mathematical operation, and is natively supported by…
The "KeyEvent" Java event triggers each time a user presses a keyboard key while your application runs on the computer. You can intercept a key event and perform other code processes after the user…
Parsing is a term used by computer programmers to describe the act of splitting a sequence of text (also called a string) into multiple, smaller strings based on some delimiter. For example, a Java…
Developers designed Java from the ground up to act as a complete object-oriented programming language. Because of this, concepts integral to object-oriented programming become quite important in basic…
A build path tells the Java Eclipse compiler where to find the source code files for the project. You export your project as a JAR file in Eclipse, then run the code in the DOS prompt with the…
Rectangular, or Cartesian, coordinates specify a point in terms of its horizontal and vertical components. Polar coordinate systems define a point in terms of its distance from the origin and the…
Java provides a beneficial platform for creating financial and accounting software. The code does not compile until the user runs the software, so Java is platform-independent. A "float" data type…
Java is everywhere -- in your smartphone, on your desktop, and on your DVD players and MP3 players. Just because it's everywhere doesn't mean that its functionality is widely understood. At its heart,…
When you're a software engineer, you're constantly looking for ways to optimize your application. By compressing any extensible markup language, or XML, that's generated by your application, you…
The Java programming language allows you to take a file as input through its standard library of classes and methods. Although Java includes a set of classes that specialize in text -- that is, files…
When you manipulate numbers in Java, you can store them as integers, decimals, floats and doubles. Integers, when added together or stored in a variable, do not carry over any decimal places that the…
Java is a compiled cross-platform, open source programming language. To compile a Java program, you need to have the Java platform downloaded and installed on your computer. The Java development…
The Java language allows developers to create applications using Object-Oriented modeling. In an Object-Oriented application, tasks are carried out by a group of objects. These objects have behavior…
A text box is a section or field of a Web page that allows a user to input free text. Text boxes are primarily used on websites that require text input from visitors. There are various types of text…
Complex applications typically are split into multiple modules, as a good software engineering practice. Sometimes those modules are implemented by different people and even on different programming…
Some applications process character strings that, because of the nature of the information they contain, should not be case sensitive. A common example of this is email addresses. For those strings,…
Programming languages like Java have mathematical functions built in, such as addition and subtraction. These mathematical functions can be used to add numbers together, which is useful when…
Java applications can optionally generate a log file with a sequence of application-dependent entries. Each entry usually has a precise time stamp and a human-readable message describing a condition…
As part of its standard class library, Java includes methods for determining whether a sequence of characters, or a "pattern," is matched by any portion of a given string of characters. In particular,…
Like other object-oriented programming languages, Java implements the concept of inheritance. A class can be declared to be a subclass of another class (commonly called the "parent class"). The…
Java programs can take a wide variety of keyboard user inputs. You can enter strings and any primitive numerical type: integer, long, float or double (double-precision float). In principle, all…
The string data type in Java is like an array of characters, and you can use the "length" method to determine the number of characters in a string input by the user. Counting the letters in such a…
Some Java applications need to ignore punctuation symbols when processing user commands and strings derived from inputs to the program. The typical reason is that punctuation, while acceptable, is not…
In Java, casting refers to the act of treating an object or method of a certain class like an object of a parent or child class. This is accomplished because Java implements polymorphism, or the…
The Java programming language includes built-in capabilities for advanced processing of character strings. Those capabilities are encapsulated in the predefined "String" class. In particular, method…
All programming languages can work with simple boolean values. A boolean value, unlike an integer or a character, has one of two states: true or false. Boolean expressions are like mathematical…
ResultSet is a class defined in the standard libraries for the Java programming language. A ResultSet object embodies a set of database records (also called "rows"); typically, that set is the result…
MoparScape is a player-run server for the RuneScape massive multiplayer online role playing game (MMORPG). In order to access the server properly, you must have a Java applet installed to your…
Before you can run a Java program that you created in Ubuntu, you first need to compile it. Some development applications can do this automatically. However, if you have Sun Java installed and…
Arrays are a vital component of any programming language, and Java is no exception. Many operations are built in to Java's implementation of arrays. You can declare them, set or read values from them,…
By default, Java displays a fractional number as a decimal, but you can use the FractionFormat number to display a fraction format. Java includes a "FractionFormat" library function you can use to…
A heap in Java is an algorithm designed to clean JavaScript with dynamically allocated memory that's not referenced to free space. In other words, it's like a self-collecting garbage heap that frees…
Replacing characters from a Java string can be helpful if you are dealing with unknown text and you only want to allow certain characters. It can also be helpful if you want to replace or remove…
Java includes an input-output (IO) library that lets you open files and read from the data. This programming process is beneficial if you want to read a user file, or input Java settings from a…
Structured query language (SQL) is a computer programming language used for database management. In an SQL server -- a database management system (DBMS) that can respond to queries formatted in SQL --…
The process to uninstall Java from the Windows operating system is the same as other programs via the Programs and Features component. The applications listed within this component each have their own…
Formatting a decimal number in C# can be helpful when you want to display the number in a specific manner to the user, such as only showing two decimal places. The "string.format" method lets you…
JavaServer is an application that allows people to host files from their online server. If you would like to upload a file to your JavaServer, you can do it through the online graphical user…
In Computer Science, a tree is a data structure that can contain elements of an arbitrary type. The tree supports diverse retrieval methods, such as finding the element with a given value, or the…
Learning the Java programming language can be quite a daunting task. There are so many aspects to programming that novices may be overwhelmed at first. However, if you take it slowly and develop small…
The standard Java class libraries support a comprehensive variety of operations on objects denoting timestamps and durations of time intervals. Calculating the time elapsed between two timestamps is a…
Matrix Laboratory (MATLAB) is both a powerful mathematical tool and a high-level programming language, allowing you to create routines that interact with a user to perform a computation task. Use the…
The Linux operating system stores files in directories on your computer. When you type a command in Linux or UNIX, the operating system reads the directories on your computer in the order they are…
Computer programming languages have many different ways of storing data. Most data is stored according to a type, which helps define its range of values. For example, a digit type can hold the values…
A prime number is a number with only two factors. These factors include 1 and the number itself. In a Java program, the code must store the number being tested for primality, check the number for…
The modulus operator "%" in C programming lets you divide two numbers and return the remainder. You do not retrieve any part of the whole number, so only the remaining value returns. For instance, the…
When searching a Java program for memory leaks, it can be helpful to create a heap dump to assist in your debugging efforts. A memory leak occurs when a program uses memory and then never frees the…
C# is a programming language used for building various enterprise level applications that run on the .Net Framework. C# is simpler and object-oriented compared to its previous versions, such as C and…
Java is a computer programming language first released in 1995 by Sun Microsystems -- a subsidiary of Oracle since 2010. A JavaBean is one of a series of self-contained, reusable software units, or…
Shell code typically calls a rich variety of system utilities available from the command-line prompt (also called the "shell"). Available utilities depend on the operating system; they perform…
Scootle is software that provides access to more than 8,000 digital curriculum resources from the Australia-based Learning Federation. This program provides teachers access to interactive learning…
In computer science, an Abstract Data Type is a data structure that can perform any of a given set of operations on the data it stores. Those operations (and the conditions under which each of them…
Each time you create a class in Java, a generic constructor is set up by the designer. The generic compiler does not take any parameters when you call the class. To force a user to use a non-generic…
In the Java programming language, a block is a group of lines of code enclosed in curly braces. Blocks serve many purposes in Java--for instance, control Java keywords such as "while" take a block as…
The Java programming language provides, through its standard class libraries, extensive support for storing and manipulating dates and times. Calculating the number of days between two given dates is…
The Java programming language has a feature that allows different threads to communicate. Developers use threads to perform different tasks in parallel to take advantage of multiple core processors.…
Basic Java objects, such as integers and floating-point numbers, exist in memory in fixed representations that are defined by the Java standard -- regardless of how many significant or decimal places…
The Java programming language provides users with the ability to create desktop, mobile phone and Web applications. Even experienced programmers must learn the language basics before diving into…
The Java programming language includes the Abstract Window Toolkit as part of the standard libraries available to developers. AWT consists of a hierarchy of classes that covers all aspects of…
The Python programming language includes an extensive set of primitives for text manipulation. Python programs can process text as it is read from files (efficient for very large files that do not fit…
Java programs use a variety of collection structures for storing and processing data. The array is one of the most common storage objects in Java applications. Once an array has data in it, Java…
It can be helpful to sort a list of names into alphabetical order so that you can display them in an intuitive way to program users. It's also easier to search through alphabetically-ordered lists…
C++ is an object-oriented programming language, which means it has the ability to create objects out of classes. A class is a programming construct that has a state and a behavior. Classes are usually…
Modifying your registry (regedit) to replace a key's value may be necessary if a program is malfunctioning or you want to edit a setting that is only configurable through the registry. It's not…
In the Java programming language, a String object encodes a sequence of Unicode characters. String is one of the object classes with native Java support. In addition to that, Java's standard library…
Code written in the Java programming language can interact with input and output devices in a variety of ways. In particular, Java's Abstract Window Toolkit (a built-in class library) includes classes…
Converting a Java String of text to uppercase can be helpful for formatting purposes, such as with street addresses in computer systems which are often stored in an uppercase format. Once converted, a…
Using Java to trim a String is useful when you want to remove any leading and trailing white spaces from the String, such as when dealing with usernames and passwords. When displaying the first word…
Every developer knows that testing your code is an extremely important -- but tedious -- part of the development process. Manually testing your application by executing it can suffice well enough for…
The Java programming language can be used to create many types of programs of varying complexity. When learning this language, many users begin by crafting simple programs. One example is a program…
The Java programming language includes library functions to capture keyboard input. Those functions typically return objects of the "String" class. However, not all programs can accept alphanumeric…
The Java programming language has built-in support for Unicode characters, including letters, digits and other international symbols. An object of the basic "char" class (represented using 16 bits)…
When calculating precise time differences in C on the Linux operating system, it's important not to use the popular "clock" function since it only returns the time in seconds, unlike in Windows where…
A Java program is often used to interface with an operating system to modify files located within a file system. Java programs can access files using either an absolute path or a relative path. A…
"Path" is a word used in many operating systems, including all versions of Linux, to refer to the location of a file -- a document, program, image, or other set of information -- within a filesystem,…
The Java programming language stores list values in a data type called an "ArrayList." These ArrayList objects can be converted to a string that lists each value contained inside the array. Although a…
The Ruby string class comes with dozens of built-in methods for performing common operations and queries upon strings of text. However, no method exists with the name "contains" or "search" that would…
Struts and Hibernate are two of the most widely used third-party libraries in enterprise Web development. While they serve different purposes, most Java programmers who work in a corporate environment…
The Objective-C language is a strict object-oriented variation on the regular C standard. This language evolved over many decades to become the standard development platform for Apple computers and…
The Java programming language has native support for integers and strings. That support is implemented as classes that handle, among many other methods, the conversions between one type and the other.…
Java programs typically store alphanumerical content (e.g., keyboard input) in String objects, regardless of whether the particular string happens to represent a number. However, that distinction is…
When you want to display a percentage in Java, you need to use a formatting method to change a number from a decimal value, such as "0.56" into a displayable string like "56%." Converting from a…
Computers store images as binary data files. The file for a given image depends on the image's contents (its size, color depth, and the color components for each pixel) and on the method used to…
In the Java programming language, applications handle characters by using the Unicode standard encoding. Each Java application has a "standard output," that is, a stream where its output will be sent…
A hash table stores (key,object) pairs and searches by key value. Java's HashTable class is part of the standard libraries for that programming language. Each HashTable initially has a given number of…
The Java programming language allows programs to define their own enumerated types. An object of an enumerated type contains a value drawn from a finite number of constants specified by the program.…
When the Java Virtual Machine is running a program, many error conditions cause the runtime to raise (or, in Java parlance, "throw") an exception. Exceptions are Java objects in their own right; for…
Computers run Java applications by having an interpreter (the Java Virtual Machine, or JVM) execute them. The JVM allocates a given amount of memory to the heap -- the data structure that services all…
The Java programming language can interface with SQL databases. One way Java accomplishes this is by reading SQL CLOB data. CLOB stands for Character Large Object and is a means of storing…
When the Java Virtual Machine runs a Java program, it allocates memory for that program in two ways: a fixed-size segment containing all objects whose size was known at compilation time and a memory…
Computer data exists in physical memory as a sequence of 1's and 0's. This data can be encoded to represent abstract concepts like a number, letter or symbol. One encoding scheme that Java language…
The Java programming language has the ability to read files as input. This is useful for many programs that rely on large amounts of data. If the user had to input data manually every time a program…
The Java programming language allows programmers to write code that will run in parallel on different threads. If the computer has more than one processor core, the threads will really run in…
Some applications written in the Java programming language require the code to determine whether a specific element of user input is a string or a number. Java's built-in input routines do not perform…
The Java programming language is a mainstream language that focuses on object oriented programming. If you want to become a software engineer, you will need to familiarize yourself with an object…
Programming languages like Java have a strict syntax that must be followed to produce working programs. Incorrect syntax leads to errors. One common error in Java is the "Class Interface or Enum…
In the Java programming language, objects of the pre-defined String class store sequences of characters such as a name or the description of an item. Sometimes a program needs to check whether two…
When you create a new class in Java, the default constructor takes no parameters. To call this default constructor, you call the class and add no parameters when you assign the class to a variable.…
Every once in a while, you may see a little bubble pop up at the bottom of your screen asking you if you would like to get the latest Java update. If you've ever wondered why these requests come up,…
Built-in Java classes can help you slash programming time by performing complex tasks for you. Programmers, for example, often need to use string tokenization when working with text data. Tokenization…
It can be very annoying when a program installed on your computer is always pestering you to get updates every time you start up. One of the software packages that does this is Java. Before you ignore…
Desktop application program interface (API), which allows Java applications to interact with the default applications associated with specific file types on the host platform, needs to be updated from…
Programming languages are used to convert a series of encoded instructions into an executable program. The specific details of a language have a large impact on how a language is used. If you want to…
Strings may not be the most exciting Java programming elements, but many applications would not function without them. Web browsers and desktop applications rely on string data to display text and…
You can use the "printf" function in C, a programming language, to print the value of enumeration variable that you've created. The "printf" function prints to the standard output stream, which…
The Java programming language handles data by implementing a "stream." Streams are programming constructs that greatly simplify data manipulation. Streams have an undetermined length and new data is…
The Java programming language comes bundled with a library that provides functions that are useful in general programming. One such class is the Character class. The Character class provides a wrapper…
The Java programming language has a rich library of functions that are useful for addressing general programming needs. Within this library is the Point class, which holds an X and a Y coordinate. If…
The Java programming language has a data storage device called a vector. A vector stores data similar to an array, in that stored data can be accessed directly by index. However, unlike an array, the…
A JavaBean is a software component that conforms to a set of naming and design conventions. These conventions allow JavaBeans to interact with each other in a predictable and established manner.…
The Java programming language has many ways to accept user input. One common method is to accept keyboard input from a console prompt. The user writes in a string of text and hits "Enter," which…
There are many common programs that are used to showcase a programming language's syntax, such as the popular 'Hello World!' application. Another common program is one that prompts the user for some…
Java is a programming language and run-time platform initially released to the public by Sun Microsystems in 1995. The run-time environment technology powers computer utility programs, online games,…
The Java Console is a software environment that helps to debug the Java error message on computers. If the console appears while using applications or websites built with Java, then you may…
In the Java programming language, every variable needs to be explicitly declared as a member of a class. Java includes pre-defined classes for some common datatypes such as "Integer" and "Float" (a…
The Java programming language supports a flexible scheme for handling error conditions (called "exceptions" in this context) that arise during program execution. A program can declare part of its own…
Java applications execute on a Java Virtual Machine (JVM). The JVM has been ported to all current operating systems; it accepts multiple command-line parameters, most of which are optional. Two of…
Sun Microsystems, acquired by Oracle, distributes the Java programming language with an extensive library of classes and methods that greatly enhance Java's basic capabilities. This library, called…
An integer number is even if it is exactly divisible by 2; it is odd otherwise. You can write a program in the Java programming language that tests each element in an input array for this property,…
In Java, an InputStream object represents a source of a stream of bytes. Those bytes may come from a file, a network connection, a pipe or other possible sources. The common theme is that, although…
In addition to allowing programmers to define any class they need, the Java programming language has built-in support for some simple numeric and string types. Those types include "int" for integers…
Java programs can allocate and free memory dynamically by using a variety of built-in classes and methods. In addition to that, objects get created and destroyed all the time and automatic garbage…
The Java programming language contains support for a few primitive classes. Primitive classes include String for alphanumeric values, Integer for integer numbers, and Double for floating-point…
The Java programming language characterizes data by type, like number or letter. The data type determines how the Java program will treat the data. For example, the "+" operator adds numbers but joins…
Computer programming languages provide tools that enable software to read and write files. This is a powerful function; it allows you to program software that can interface with files. Many programs…
The comma-separated values, or CSV, format is widely used for data files. A CSV file has data stored in rows and columns; each row is in a separate line in the file, and each column is separated by a…
Java applications commonly rely on user input in order to operate correctly. A program may prompt the user to input his name and password before loading. You can make a program that does this by…
The Java programming language is good at storing numbers, but often numbers must be printed in a certain format. For example, currency is expected to be preceded by a currency symbol and have an…
Computer software has many real-world applications, such as providing an online marketplace for goods and services. Modern languages acknowledge these real-world applications using built-in techniques…
Using an enumeration type in C is an easy way to create a set of named tags that represent integers. C is a popular programming language, frequently used to develop application software. A common…
Casting, in programming, is the process of converting from one primitive data type to another. Most numerical, and a few non-numerical, primitive data types in Java can be cast between each other…
The Sun Java Runtime Environment (JRE) provides extensive support for Java-based animations, typically consisting of demonstrations and games over Web browsers. The Java JRE applet is fully functional…
Every learning Java developer knows about the "System.out.println" command as a way to print a string of text to the terminal, if only because every introductory Java lesson begins with the…
Passwords are used everywhere to secure your private information. However, a powerful encryption system is only as effective as the strength of the password. Your passwords can be quickly compromised…
As a programmer, you may sometimes need your application to pause for a set time or until the user presses a key. You can order the thread to sleep and yield its processor time to the operating system…
In Java, as in most other programming languages, a distinction is made between numerical data and the strings of characters that represent numerical data. A disadvantage of this distinction is that,…
Unfortunately, arrays in Java are immutable. Once created, they cannot change size without reallocating the entire array again from scratch. Fortunately, a few helper methods make the whole process of…
Ordinary arrays are the first data structure every new Java programmer learns about, but they are not the best for every situation. The "List" collection of data types, which includes both the…
The "requestFocus" function in Java lets you programmatically set focus to any element in a Java program window. Instead of requiring the user to click on a button or text box, you use Java to move…
The "GregorianCalendar" class provides a series of methods retrieving different portions of the current time according to the customary calendar of the Western tradition. It is included as part of the…
An old engineering saying declares that you should never "reinvent the wheel," and this applies to programming as well. If a console application already does the work you need, rather than rewrite and…
The Java Runtime Environment, or JRE, is responsible for running Java-based desktop programs and applets in your Web browser. Without an installation of the Java runtime, your computer will be unable…
Most of the time, Java's elaborate class library makes the work of programmers easier. However, in the case of keeping track of dates and times, many a new Java developer is left bewildered. The key…
The Java programming language provides access to dozens of common mathematical operations in the java.util.Math static class. By calling this class, you can round, find exponents and even perform…
Update your version of Java 1.3 to improve performance, security and stability of Java applications. Sun Microsystems, which is owned by Oracle Corporation, maintains the Java platform. Java is free…
There are several ways to stop an application thread in Java, but the best way is by using the "thread.sleep()" method. Other methods such as "wait()" and "SocketinputStream.read()" can be used, but…
A Java console add-on prompts for an installation when you go to a website that requires Java to run. Java is a small program installed on Web browsers to enhance the experience of surfing the…
You can delete the Sun Java plug-in by uninstalling it on your computer. The Sun Java plug-in is used to play Java-based games and participate in Java-based chat sessions. If you no longer have a use…
Applets on Web pages and desktop applications written in the Java programming language require Oracle's Java software present on your computer to run. Oracle releases regular updates for its Java…
Microsoft will periodically release updates to the Windows operating system. These updates add features, fix bugs and enhance the overall security of your system. If you wish to remove an outdated…
Java is a software platform that allows various applications and websites to run on your computer. From time to time, you may want to update your Java version to improve performance, stability and…
Java is a scripting language used by Web browsers to display interactive content on websites that run JavaScript code. Using the latest version of Java on your computer can prevent certain problems…
C++ is the popular programming language that offers all necessary features including object-oriented programming. C++ supports several types of variables including integers, floating point numbers and…
The JTextField is the Java Swing control that is used to represent a box of user-editable text in a Graphical User Interface (GUI). Examples of a textfield are the username and password boxes on Web…
Shell prompt names define how the prompt in the terminal appears when the user opens their shell. On Red Hat (and most other forms of Unix and Linux), prompt names are defined by the PS1 to PS4…
Many websites and computer applications need the Java computing platform in order to run properly. All versions of the Mac OS X operating system include Java. Running the most recent version of Java…
One confusing fact that faces many new programmers in Java -- or most other languages, for that matter -- is that the computer stores literal integers and the English text of those integers in…
Though it is impossible for a computer to literally represent the value of infinity in memory, the Java "double" and "float" data-type reserves two slots in its address range that are understood by…
Java provides all the tools needed to read and write from an ordinary text console, and even to parse the information from the console into any of its primitive data types. But actually finding the…
The JAVA_HOME environment variable is a required configuration item for many programs and compilers that make use of the Java Development Kit (JDK). It contains the path to your system's Java…
Some programs when installed on the computer require that Sun's Java be installed for the program to run. Oftentimes, these applications also install the Java Update component. The Java Update…
Java was originally created in 1995, but it has changed regularly since then. A lot of important changes have been made over the years; some of the most noteworthy, from an ordinary developer's…
The classes representing data types in the Java programming language have features that can easily transform one data type into another. The "Double" class has just such a method that can take a…
The DecimalFormat Class in Java Applets is used to invoke the decimal format, as the class name suggests. Using the DecimalFormat Class requires you to make the distinction between the other main…
The use of struts in computer programming for a web application refers to the type of actions an application can typically be asked to undertake. Action mapping directs the web application to the…
Celsius and Fahrenheit are two types of temperature scales. Celsius is the common temperature scale in European countries, particularly in the United Kingdom, and Fahrenheit is used the most in the…
Java frameworks help the programmer build applications quickly by providing a way to tie together screen designs and business logic. Struts was one of the first of these frameworks and still is widely…
Regedit is a software application for Windows that allows you to manage a list of system instructions and configuration settings called the "registry." The registry consists of different types of…
Servlets and Struts are two related, but distinct technologies used to create dynamic web pages using the Java programming language. However, since the two technologies overlap, it can be difficult to…
Struts is the popular Apache software used to supply framework for writing web Java applications. The popular Struts 1.0 was updated to 1.1, and there are a few major differences between the two.
The Windows Registry utility inside the Microsoft Windows operating is, for all intents and purposes, a very complicated options menu that controls everything from OS components to user interface…
Pogo is a website that allows registered members to play various games for free via the website or download games to their computers. In addition to this, users can pay to upgrade their memberships to…
The Interactive Ruby Shell (IRB) is a command-line program that allows developers to type a Ruby program with immediate interpretation and execution of their commands. This allows the developer to…
ActiveMARK is a software application distributed by Trymedia that allows PC game developers and distributors to lock their software using a digital rights management (DRM) encryption system. The…
NTVDM is Microsoft's Virtual DOS machine (VDM.) This file is used by the Windows operating system to emulate old DOS architectures, allowing older 16-bit DOS and Windows programs to run within modern…
Java, a versatile computer programming language, can be used to run or write Java programs and applets (applets can be thought of as plug-ins for programs). Development with Java's API's (Application…
Java is a programming language for a number of operating systems. It was initially developed and maintained by Sun Microsystems, and is now owned by the Oracle Corporation. When writing a Java…
JRE 6u5 is an update to the Java Runtime Environment, the interpreter that allows a computer to run applets written in the Java programming language.
Developed by Apache Software Foundation, Struts and Tapestry are web frameworks for the creation of Java-based applications. Operating on the same basic premise, the two programs offer different…
Struts, the open-source framework from Apache, offers integration with Java Beans and Java Server pages to provide a model-view-controller design pattern. Struts provides libraries of tags to work…
If your computer has been running Default Blackjack 2, you can delete the game from your computer by clearing the Java cache. The Java cache holds information on recently used games and programs that…
Java is a programming platform used to run applications and websites. It provides support for powering complex graphics, interactive environments and productivity suites. Java download, or JRE (Java…
Understanding what Java is helps you to understand servlets. Java is a computing platform that has been commonly used across the Internet since 1995. It is used for a number of applications including…
The RoboForm software application uses your stored personal information to quickly and easily fill out forms and passwords for websites on your computer. If your version of Java is causing errors for…
Java is a programming language originally developed by Sun Microsystems that is well known for its heavily object-oriented design and nearly complete cross-platform abilities. Software reusability…
Java is a programming language that is based on the C and C++ programming languages. It is constructed as a set of instructions as bytecodes that the Java Virtual Machine then executes. Each bytecode…
Servlets are a Java-based technology used to build and enhance web servers. Independent of any specific platform, Servlets allow users to mix and match any server-building techniques that they choose.…
Often, a programming language must receive information from a source that provides the information in the form of "literal" text strings rather than "numerical" values. This doesn't matter until the…
Java is one of the popular programming languages. It was originally created by James Gosling in 1994 for Sun Microsystems, Inc. now owned by Oracle Systems, Inc. Java programming is one of those IT…
Every new student to programming learns quickly about the most primitive data structure, the simple array. Powerful as it may be, it is poor suited for many tasks. One weakness the ordinary array has…
There are times when you actually want to create an error in Java. You may be testing your software and need to see how it will respond if a certain error is thrown. In those instances, you can simply…
Computer programmers specializing in Java can obtain a certification to show employers they have the technical skills and consistency to be an asset to the company. There are several options, from…
When designing applications in any programming language, the user interface is an important aspect. Elements of the interface should be arranged according to stylistic principles to create the most…
The art of finding threads at runtime involves two Java classes, Thread and ThreadGroup. In addition, you must remember to name your thread when you create it. Otherwise, if you do not name your…
Spring and Struts are both frameworks for creating Java applications in enterprise environments. Although they overlap in purpose, Spring is a general purpose framework that can be used for building…
Java can easily find the Java Runtime Environment (JRE) version that is running on your system with an applet that you run through your browser. You'll need to access Java's website first; from there,…
Java and JavaScript are both object-oriented languages. Aside from this fact and their similar names, few parallels exist between Java and JavaScript. People who know how to use one language often…
PKZIP is a powerful ZIP-archive utility that has been created by the PKWARE company for use on z/OS, Linux, Windows, and MS-DOS computers. Though Java provides its own classes for interacting with ZIP…
Created by Sun Microsystems and now maintained by Oracle, the Java Runtime Environment (JRE) software package allows your computer to run applications developed in the Java programming language.…
Java software platform is a programming framework that allows users to view complex graphics, games and interactive data within a web browser. Java was developed by Sun Microsystems. Users download…
"Java" is a slang American term for coffee. The word is Indonesian, but its origin isn't completely clear. The word may mean "distant" or "home." The word "jau" means beyond or distant.
Originally created by Sun Microsystems and now developed by Oracle, the Java Runtime Environment (JRE) allows your operating system to load and run programs created in the Java programming language.…
Java SE or Java Platform, Standard Edition 6 is a widely used platform for programming in Java language. One of the common issues with Java SE 6 relates to computer bugs that can create problems with…
Created by Sun Microsystems and now developed by Oracle, the Java Runtime Environment (JRE) package allows users to run any application created in the Java programming language. Oracle periodically…
Java Web Start is a feature included with the Oracle Java runtime software. The Java runtime runs applets programmed in the Java programming language embedded in webpages, and also executes other…
The FileReader class is a powerful class for reading text from a file to be processed or printed to other locations. It does not have the ability to read entire directories; however, this…
If you want to check which version of Sun Microsystem's "Java" software you have installed in your computer, you'll need to use your Control Panel. Unlike a regular program where you can check the…
The computer operating system RedHat Linux 5 allows you to update the path for your Java installation by altering the $PATH variable. Java is a programming language that requires its files to be…
With Windows Vista, Microsoft redesigned its operating system in several ways that made some older programs incompatible with Windows. Rumors spread around the Internet that the Java software…
Although Java is an application that allows you to perform a variety of functions, such as playing 3D games and chatting online, you may want to uninstall it from your computer if it is damaged,…
Java enables animation in web pages on your Internet Explorer 6 browser. However, sometimes you may experience issues with Java animation. Chances are that your Java is outdated or your Java settings…
Created by Sun Microsystems, Java Desktop System is a desktop environment designed for both the Solaris and Linux platforms. It provides a graphical user interface similar to that of Microsoft Windows…
Java is a widely used computer programming platform developed by Sun Microsystems, Inc. Java architect certification is a credential that can be obtained from Sun Microsystems, Inc., which was…
Java enables users to perform activities such as play online games, view 3D images and watch streaming video. If Java won't update to a newer version, you can fix the problem by updating Java…
The Java operating system works invisibly within the computer's operating system to provide multimedia from within a web browser or the desktop. Updating Java support on a PC requires following a few…
Java is a programming language developed by Sun Microsystems. Many Web pages use Java applets to provide interactive content. If you want to take advantage of these features in Firefox, you'll need to…
The Java Runtime Environment, known as JRE, is a web and application framework that allows software to be written once in the Java Programming Language and deployed on any system running a JRE. Red…
Sun's Java Programming Language allows a developer to write an application once and deploy it on any system running the appropriate version of the Java software. Differences in versions can mean loss…
Java is a programming language and platform needed to view many types of websites and to play games online. Java was developed by Sun Microsystems, which was recently purchased by Oracle. When updates…
Java is a component that makes your browser more interactive by allowing you to perform activities such as chatting, playing online games and viewing 3-D images. Many websites and applications will…
The Java console provides information about the version (of Java) installed on your system, the home directory of the current user, as well as any errors that occur in Java applets and applications.…
Java, a cross-platform programming language, enables developers to create games, utilities and applications that can be viewed on most operating systems and web browsers. According to Java.com, "it…
The Java run-time runs programs written in the Java programming language. Java software is often used for programs embedded on Web pages, as well as other desktop or server programs. The Java run-time…
Java, the programming language created by Sun Microsystems in 1995, is essential in today's Internet environment, running numerous applications and interactive programs online. But just because it has…
Java is a programming language that is used by computers to do various things, such as use interactive menus and play certain videos. Every computer comes installed with Java in order to make the…
Java uses the stream interface for reading and writing from the console, from files, and even for communicating over the Internet with other applications.
By default, the copy of Java 6 installed on your computer will attempt to automatically update itself every time it senses an Internet connection. If you want to stop this from happening for whatever…
Freespire 2.0 is a Linux-based operating system derived from Ububtu 7.04. The open source nature of Freespire 2.0 allows you to install several different application programs, plug-ins and…
The Java Console is a special program used to assist developers in finding and correcting bugs in their applications. It is not the same as the program JConsole, used by systems administrators to…
In computer programming, typecasting refers to taking an object of one type and converting it into an object of another type. In Java 6, this usually, but not always, involves either upcasting or…
Java Web Start is an application deployment framework developed by Sun Microsystems. The Java Web Start platform allows software developers to deploy Java applications to run on the client computer…
Java Struts is the application framework developed by Sun Microsystems in order to dynamically deliver web pages to the end user. The Java Struts application framework makes use of Java Server Pages…
Java programmers use a variety of tools and methods to test their applets and applications to ensure that they are robust, bug-free and function as expected.
The Frame classes in Java are 'Frame' in the AWT library and 'JFrame' in the SWING library, and are used to represent full, top-level application window in a Java…
When deploying web applications, a common problem that occurs for website managers is the management of the number of times server resources are accessed by client computers. The Sun Access Manager is…
The Java Programming Language suffers from null pointer exceptions when a piece of information it is looking for no longer exists in the system memory. This can typically happen at times when the…
Errors can occur from several sources when the computer utilizes applications. These sources are either a programming error or errors that arise from mistakes made by the computer user. As the user,…
Java has become deeply ingrained in our daily computing life; think of all the games and tools that we use daily that require us to have the latest version installed on our systems. Java's popularity…
Java 1.5 (also known as Java 5.0) includes a vast array of new features that are of value both to programmers who wish to develop applications with Java and to end users of Java programs. Sun…
The Word Wide Web Consortium (W3C), which publishes the XML standard, has provided a number of classes in the Java standard library for allowing Java applications to deal with XML files using a…
Java telecommuting jobs are in great demand. If you are a Java developer, you can work full-time or part-time at home. You can also do freelance work or contract work. Java developers are the most…
Java is a cross-platform programming language developed by Sun Microsystems. It is designed to allow as many types of computers as possible to run the same programs without any modification to the…
Java is a popular software platform developed by Sun Microsystems that known for its platform-independent, "write once, run anywhere" code. Swing is a graphical user interface toolkit for…
The mode is a mathematical term that simply refers to the most common number appearing in a set. While finding the mode in Java may seem to be a simple task at first, it can turn out to be a bit more…
XML documents are a W3C (World Wide Web Consortium) standard for holding and transporting data around the Internet, so it's not surprising that Sun Microsystems has ensured the Java API includes a…
In Java, a string is an array of characters (letters, numbers or symbols). A substring of a string is simply a collection of characters contained within the string. For example, the string "My name is…
Spring and Apache Struts are popular frameworks for implementing java applications. Compared with Apache Struts, Spring provides a wider range of facilities that can be used for web as well as…
Java is a programming language that allows you to play games, view 3D images, chat with people. It is a free application that makes the web more interactive by allowing you to perform many different…
Sun's Java is one of the most powerful and popular computer languages. Because Java uses a virtual machine, it runs practically anywhere and works identically on Microsoft Windows, Apple's Mac OS X…
Java is a type of computer program that works in conjunction with your web browser. Java allows you to view certain aspects of web pages, like chat rooms and in-browser video games. Occasionally…
Java software is a tool available to web developers that allows users to create customize, detailed web pages for viewing on the Internet. Adding images will increase the aesthetic appeal of your…
Java is a technology produced by Oracle (formerly Sun Microsystems) that ideally enables software makers to produce a single program that can be run on virtually any platform. Commonly, Java is used…
The acronym "OEM" is short for the much more lengthy term "original equipment manufacturer." This refers to a piece of software that is specifically bundled with a piece of hardware. If Java software…
Java is a programming language used to run programs such as chat and instant message software. Finding out if you are have the most current version of the Java software is free and easy. If your…
Java is a programming language used to create small applications--called "applets"--that run on a computer or in the Web browser. If you are having difficulty getting a browser-based application to…
Converting strings into dates of various formats is easy using the tools provided by the Java standard library. The most important tools of this task are two classes: the Date class in the java.util…
Java is a special type of programming language used for a variety of programs and web applications. If you are running Java on your computer and need to upgrade it to the latest version, you can…
The Java standard library doesn't include a ready-made class for performing common conversions, such as switching between Fahrenheit and Celsius. However, that shouldn't stop you from building one of…
API stands for Application Programming Interface. The API of a programming language is almost always the first place you'll look if you need help. It is a reference to the collection of libraries,…
When downloading a Java file, you usually don't think about where the file inserts itself onto your computer. However, the file does has a default installation and download location. You can change…
The Java programming language features many classes, which are digital plans or blueprints for creating virtual objects. One type of class is an array, which can hold other classes including strings,…
Java is a browser plugin that enables you to perform a variety of multimedia functions on your browser such as playing games or chatting in Internet chatrooms. If you are unsure whether your computer…
Computer programs often need to deal with metric and imperial units, so it's important for programmers to know how to convert between them. Once your program can handle converting feet to meters, you…
Capturing keyboard input in a Java console program is fairly straightforward and only requires a few lines of code. Console programs are run in a console window (such as the Windows "Command Prompt"…
Multiple Java Runtime Environments (JREs) are some of the largest space consumers and wasters you will probably encounter in your installations. And the answer to whether you can remove old java…
There are a number of ways you can go about creating a calculator program in Java. This article will provide a calculator implementation that will perform operations when provided with a string…
The enum type is a new feature in the Java 1.5.0 language, designed to solve weaknesses in the way enumerated values were handled in prior Java versions. At its most basic, it adopts a structure…
Java, the programming language used to power many Web-based applications, searches for updates and installs them automatically as they become available. However, the automatic updating feature of Java…
Searching for records in a Java application is a common database operation involving JDBC (Java Database Connectivity) classes. The tasks needed for the search (or any other database-related task) are…
Core Java refers to the fundamentals of programming in the Java programming language. Java is developed by Sun Microsystems, which offers books, training, and online tutorials for core, advanced and…
The Java programming language, created by Sun Microsystems, has a growing standard API to provide programmers with a wide variety of tools for accomplishing common tasks. Java 1.5, also known as Java…
Java is a vital program that many websites and applications rely on to properly display media content. It allows you to perform a variety of online functions, such as playing games, chatting and…
Java (commonly referred to as "Javascript") is a computer program that is integral to the modern-day Internet experience. Java works in conjunction with your Web browser and it allows you to view…
Java is a programming language necessary for the proper functioning of many websites. Developed by Sun systems, it makes the Web more interactive and allows you to use a variety of multimedia…
It's easy to forget sometimes that the primary reason computers were invented was to perform repetitive mathematical tasks, like converting meters and feet. This example will not only illustrate how…
Having Java installed on your computer is an integral part of the web browsing experience. It enables you to watch videos, play games and even enter chat rooms all from within the comforts of your web…
Java is an application many websites and applications rely on for display and performing certain functions. It is a programming language that allows you to chat with people all over the world, play…
In Java's Swing GUI library (as well its precursor AWT), the arrangement of components within a frame or panel is determined by an implementation of the LayoutManager interface. The LayoutManager…
Java is an object-oriented programming language used to create applications in one environment that can run in another environment without needing to be recompiled. Because it is object oriented, Java…
A common mistake made by new programmers is to store all collections of data in simple arrays. While the basic array is a great data structure, it has a number of weaknesses that can be avoided by…
Java is a free program created by Sun Microsystems that enhances the graphics quality of various devices that have digital displays. The use of Java can be seen all over the Internet, in video games,…
Randomly generated numbers have many uses in computer programs, such as creating unpredictability in games, modeling simulations and performing encryption. Java provides two techniques for generating…
Java is a programming language you can use to build a variety of applications, whether you are doing database work, network-intensive tasks or graphics applications. Java programming is…
The Java language keeps track of time entirely in terms of the number of milliseconds that separate a moment from midnight, January 1, 1970 UTC and stores this value as a long (64 bit) integer. This…
An exception occurs when an abnormal situation (such as an error or problem) occurs that a method is unable to handle. The method exits by "throwing" an exception, communicating to the calling…
Learning a new programming language is often challenging. Learning and mastering Java---an extensive language with seemingly endless classes, packages, frameworks, APIs, technologies, acronyms,…
The Java API provides you with a large library of standard classes that exist to make tasks--which would be complicated and time-consuming under languages such as C--become relatively fast and…
One of the features of the Java programming language is the large library of standard classes for solving routine programming tasks with relative simplicity. The idea is to allow programmers to focus…
An Enterprise JavaBean (EJB) is a software component that conforms to the Enterprise JavaBeans specification, allowing it to "plug into" a server-side component architecture and extend it by providing…
Java is an object oriented language, which means that programming in Java involves working with virtual objects. Java needs blueprints to create these objects. Those blueprints are called classes.…
The Java programming language was unique when it was first released in the mid 1990s in that the language was designed to be a hierarchy of classes. Unlike C++, which extended the C programming…
Java is a software platform developed by Sun Microsystems that allows you to run a variety of web and desktop applications. Some examples include online games, such as Yahoo! games, or various…
JavaBeans is the name for the component architecture structure for the Java 2 Platform, Standard Edition. Sun labeled its predefined component structure JavaBeans to differentiate the Java component…
Java Servlets refer to Java programming language objects that are used to take requests from users or other computer systems dynamically and send appropriate responses. The Java Servlet Applied…
Having a Java hit counter will help you track all of the visitors that are coming to your website. Not only will the counter tell you how many visits you have received, but it will advise you of the…
A Java Language stack overflow occurs when the size of memory required by the stack of the Java program is greater than what the Java Runtime Environment has configured for the application. Stack…
The Java Virtual Machine (JVM) is the execution component of the Java Runtime Environment (JRE) that interprets and executes the byte code stores in a Java class. Within the Java Virtual Machine is a…
Comcast Internet is a service provider that uses cable modem connections for blazing internet connection speeds up to 100 Mbps. Once you have Comcast internet running, you can turn on Java scripting…
Random Number methods in Java return random numbers for use in the program. There are two ways to generate a random number in the Java programming language. In order to generate random numbers using…
This tutorial is a guide to using the timer found in the Swing class of the Java programmer language, beginning with an explanation of timer methods and concluding with a complete program that…
Ubuntu comes preinstalled with the OpenJDK Java runtime to allow you to run Java programs and applets. However, this does not work in all instances. If you are experiencing problems with your Java…
Null pointer exceptions are errors thrown by the Java compiler when the programmer attempts to use a variable that hasn't been defined. Other compilers, like Visual Basic, allow you to use variables…
Calculating exponents is a requirement for any programmer, but every compiler language has a different way to call the calculation. Most compilers have internal functions that automatically calculate…
Replacing text in Java is difficult for special characters. Because the compiler interprets and views some special characters, such as quotes, as an indicator of a string, the code throws an error…
The Java certification program is offered by Sun Microsystems (the creators of the Java technology platform). Sun's Java certification is globally recognized and most companies prefer to hire people…
The Java programming language is a powerful tool in computer science, providing limitless possibilities for all types of programs. Among Java's many features is the ability to generate random…
Java comes with internal exception handling functions used when there is an error in the application. Programmers throw exceptions when the data entered by the user is incorrect or invalid. They can…
Formatting numbers in Java is used to display values such as currency. Java truncates the "0" values after decimals, so formatting the number displays a standard of two digits after the decimal. For…
When computer programs are executing, errors can arise from one of two sources: unpredicted user interaction or a programmer error. Normally, it is more desirable for the program to be able to…
The Sun Java plug-in makes it possible to do more with your Web browser, like play many online games and chat within the browser window. But if you don't want a computer to have these capabilities…
The Java plug-in is one of the most important Web browser utilities. It is what makes it possible to play games, watch videos, chat and do much more on millions of Web sites. Java will run…
There are many helpful plug ins for computers and Internet applications. However, there comes a time where some might need to be removed. The plug in could just be old and need to be removed for a…
Java Player, also referred to as Java or Java Script, is one component of a group of programs that enhance software for computers, gaming consoles, Blu-ray discs, cell phones, PDAs and similar…
Sun Microsystems releases new versions of Java Runtime Environment, its essential Web plug-in, on a regular basis. Keeping your version up-to-date is necessary if you want to enjoy the latest rich Web…
Java is like all other programming languages in that there are strict rules on how data is handled and logic is followed. If your program deviates from the rules or it receives a type of data that's…
JAVA is a widely used object-oriented language developed and distributed by Sun Microsystems as an open-source programming technology. JAVA encompasses several parts, including language, bytecode and…
Some websites containing interactive content use the Java plug-in. When you visit these websites, Java saves the files required for the site to run correctly in its temporary cache. The cache contains…
Comments are a powerful tool. They can be used to generate entire application programming interface (API) documentations with tools like javadoc, give small hints in tricky parts of code, or just…
Java doesn't have a binary tree class, though it's simple to present a version of the data structure to do an inorder traversal. A "traversal" of a binary tree is a formulaic procedure for visiting…
Though Java doesn't provide a binary tree class in the default libraries, a basic binary tree class is simple enough to be presented. A "traversal" of a data structure is an algorithm that visits each…
To do a "traversal" of a binary tree in Java means to do an algorithmic processing of the nodes in some sort of order. A "preorder" traversal means that the root node is processed first, and then the…
A linked list is one of the primary types of data structures in the programming world. It's an arrangement of nodes which contains both data and references pointing to the next node. To sort a linked…
Java is the most popular programming language, primarily because of its portability. The same Java program can be used on virtually any platform because the source is compiled to byte code. Each…
The task of writing to a file with Java is greatly simplified with Input/Output streams. These are a group of classes used for basic I/O and include classes for serialization that allows a program to…
Solaris 10 is an operating system developed by Sun Microsystems and used on PCs around the world. It is a graphically driven operating system, and incorporates some of the best object-oriented…