This post introduces you to multi-release JAR files. Discovering multi-release JAR files Many third-party Java frameworks and libraries support several versions of the Java platform.

What's the difference between EAR, JAR and WAR files? They are three common formats for Java application deployment, but they each target different environments with different characteristics.

Packaging Java web apps as WARs Like JAR, the Web Application ARchive (WAR), the default format for packaging Java web apps, isn't particularly special. When the Servlet and JavaServer Pages ...