Which Java Concepts Are Important?
If you want to use Java at the basic level for J2EE web development work, it helps to know the language foundations, control structures, datatypes, and operators. This section introduces some of the basics in these categories, including some of the terms you will run into when reading about Java code. For more examples, consult the resources mentioned in the “Resources” section at the end of this chapter.
Java Foundations
Java is defined by J2SE specifications (explained briefly in Chapter 1) outlined in the J2SE Development Kit (JDK), previously called Software Development Kit (SDK). Java was released in May 1995, and is considered to be an evolution of C++. Compiled C++ code is specific to an operating system ...
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