Java 1.0 through Java 1.4 introduced basic wrapper classes with manual boxing and unboxing. Java 5 added autoboxing and unboxing, dramatically simplifying code.

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

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BEA touts 'Visual Basic for Java' BEA is testing a new strategy by taking a page from Microsoft--pushing its new Java-based programming tool, WebLogic Workshop, as a must-have for developers.

He has led software development projects to build enterprise-class software applications and has extensive experience with Java and Perl. He is the author of several Java books, including one called ...