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.

The Java Function interface is quite simple. It takes a single Java object as an argument, and returns a single Java object when the method concludes. Any method you can conjure up takes an object and ...

You can fix your Java memory leak problem without a costly JVM heap dump. Just use Java Flight Recorder's Old Object Sample event and view the recording in JDK Mission Control.

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 ...

Get started modeling entities and relationships for Java data persistence, using an example application based on Java 21 with Hibernate 6.3.

This article shows how to use the Apache Commons JXPath component to easily query complex Java object trees for data using the XPath expression language. It covers both basic and advanced features ...

The Reset Button Code in Java. Java is a programming language developed by James Gosling at Sun Microsystems. The general-purpose, object-oriented language is designed to be written once; the code ...