Learn how to use Java annotations to associate metadata with classes, methods, and other application elements in your Java programs.

For those very rare occasions when an app's source code is all that's available, Wired details how to compile it yourself. Photo by artonice.

This is the Java compiler, and whether you use Maven, Gradle, the SpringSource IDE or Jenkins CI, it's this JDK tool that's used under the covers when Java source code gets compiled. But why does a ...