TheServerSide

What is a JAR file (Java Archive)?

A Java Archive, or JAR file, contains all of the various components that make up a self-contained, executable Java application, deployable Java applet or, most commonly, a Java library to which any ...
TheServerSide

What are the differences between EAR, JAR and WAR files?

When Java applications are deployed, all of the files that constitute the Java app are compressed and packaged into a single file. While compressed files are typically given a .zip extension, the Java ...
InfoWorld

Java 9’s other new enhancements, Part 4: Multi-release JAR files

JEP 238: Multi-Release JAR Files extends the JAR file format to allow multiple, Java-release-specific versions of class/resource files to coexist in the same archive. This upgrade makes it easier for ...
Ars Technica

Packaging a 3rd party jar library with my own jar

First off I've got to say I'm very new to java. I do 99% of my programming in Cocoa and C++, so I'm learning as I go. The language is not the issue here -- java's just another OO language and isn't ...
InfoWorld

Oracle to Java devs: Stop signing JAR files with MD5

Starting in April, Oracle will treat JAR files signed with the MD5 hashing algorithm as if they were unsigned, which means modern releases of the Java Runtime Environment (JRE) will block those JAR ...