Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

JDK7から導入される java.util.Objects というクラスが、よく書かれるユーティリティメソッドを提供する予定である。SunのJoe Darcy氏は、OpenJDKのcore-libs ...

Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.

Learn how Remote Method Invocation (RMI), an application programming interface for Java, preserves the object model and its advantages across a network.