Pop quiz: Do you know what annotation metadata is? If you’re like most coders, you don’t—and that has been okay, says Graeme Rocher, creator of Java application frameworks, including Grails. But in a ...

One of the first indicators of a runtime performance problem is a high Java CPU usage report from a JVM profiler or Java monitoring tool. Unfortunately, high Java CPU utilization problems on Windows ...

Java turned 30 in 2025. That's a good time to look back, but also forward.

The drive towards newer Java versions and updated enterprise specifications isn’t just about keeping up with the latest tech; ...

End your tour of Java’s essential language features with Jeff’s introduction to Java 8’s method references, interface default and static methods, and three lesser known language updates that every ...

With new JDK releases scheduled to arrive every six months, organizations will quickly find themselves two or three versions behind the latest build. For example, any organization that upgraded to ...

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. Programmers frequently need to ...