With the recent announcement of JEP 188: Java Memory Model Update, now seems like a good time to brush up on what you know about the JMM.

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.

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 ...