But, under the covers, EAR, JAR and WAR files are all simply zip files that contain the various images, XML files, property files and pieces of Java code that make up a Java application. If the .ear, ...

The virtual machine. The JVM is a virtual machine that runs Java class files in a portable way. Being a virtual machine means the JVM is an abstraction of an underlying, actual machine—such as ...

Jack Wallen walks you through the process of deploying the open-source GlassFish Java Application server on the latest release of Ubuntu Server.