How to Learn Core Java Online
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 Programming Interface) can be difficult to understand for users that have little experience with the language. But by learning the basics -- or core -- of the language, users can get a grasp of Java before moving on to more advanced uses of the language.
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Study the core of the Java programming language online at Oracle's "Java Tutorials" website (see Resources). Oracle sorts it Java lessons into "trails," which can be thought of as web-based books. Each trail includes several lessons related to the theme of the trail. Oracle's Java trails start you off with a thorough orientation lesson, then moves you into using operators and expressions before tutoring you on how to compile and package your programs.
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Learn core Java for free at RoseIndia's website. The site lays out the contents of its tutorials on one page, with hyperlinked lessons sorted under 27 chapter headings. RoseIndia's tutorials are fairly exhaustive on the basics of Java. They detail the use of operators, expressions, and data types in the early going and finish up the tutorial with tutorials on databases and database architecture.
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Learn the basics of Java online, using CoreServlets Java 6 tutorial. CoreServlets tutorial are designed for intermediate Java users or users with some experience in C++. The site covers the basics of Java as well as touching on other programming languages, like HTML (HyperText Markup Language) and XML (Extensible Markup Language). Each lesson is packaged in a PDF file.
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