Java 101: The essential Java language features tour, Part 3

Complete your tour of JDK 5’s language features by exploring autoboxing and unboxing, the enhanced for loop, static imports, varargs, and covariant return types.

This article wraps up my three-part focus on new features introduced in JDK 5, this time looking at a number of features that have improved the overall productivity of coding in Java. Keep reading to learn more about autoboxing and unboxing, the enhanced for loop, static imports, varargs, and covariant return types.

As in previous articles, I’ll start with a quick introduction, followed by at least one programming example and tips for making the most of these features in your programs. I also reveal some pitfalls that you’ll want to avoid.

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