How to Find a Maximum Number in Java
Data type specifications are an important detail to a programming language. A data type is a method of formatting computer data into something more human-readable, like a number or a letter. Since a number must exist as computer data, it is stored in binary format as a series of ones and zeroes. The number of bits that make up this sequence determines the range of numbers a data type is capable of representing. In Java, you can determine the maximum value a number can hold by using a few lines of code.
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Instructions
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Load up the IDE and start a new Java project. A new source code file will open up in the main workspace window.
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Create a main class by writing the following code:
public class MainClass
{
}
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Create a main function by writing the following code within the curly brackets of the main class:
public static void main(String[] arg)
{
}
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Print out the maximum value for the integer data type by typing the following line within the curly brackets of the main function:
System.out.println(Integer.MAX_VALUE);
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Run the program by pressing the "Compile and Run" button on the top row of controls (it is shaped like a "Play" button on a CD player). The program will run and print out the maximum value for the integer data type to a new console window. You can try this for other data types as well.
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