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Chapter 1. Java Language and Core API

Chapter 1. Java Language and Core API

This book assumes that you've had some exposure to Java and are familiar with the basics of the Java language and its core Application Programming Interface (API). With the release of Java 5 (also known as Java 1.5, or Tiger), there were some major new features added to the language and core API . In this chapter, we will give examples of some of the new features, as well as some other useful classes and methods that are often unknown to Java developers. The Java API is huge, and with over 3,000 classes it can be tough keeping track of everything. There are classes available in the core packages that even experienced Java developers might overlook, simply because they have never seen them before or needed to work with them.

Many programmers think of Java as just another language and syntax to learn. But the most effective Java programmers must think in terms of object hierarchies, behaviors, and relationships, rather than function calls and procedures as in procedural languages. In introductory seminars, I always emphasize the three-part harmony of Java.


  

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