All Java programs are compiled into class files that contain bytecodes, the machine language of the Java virtual machine. In this JavaWorld classic, Bill Venners goes under the hood of the JVM to ...

Learn how to do basic CRUD operations on JAR, WAR, and EAR files using the command line. Although Java IDEs and numerous graphical tools make it easier than ever to view and manipulate the contents of ...

I know there's no practical purpose to this it's entirely theoretical. and I know a jar file uses the zip format. But how does one create a jar file without a manifest file. (I don't mean creating a ...

In the world of IDE-based development, programmers can easily become detached from JDK and the underlying technology that makes their applications work. Here is a list of the five most useful Java ...