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 ...

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 ...

I've got a problem that I'm stuck on. How do I programmatically get the executing jar file's absolute path?<BR><BR>I'm trying to look for a folder that is relative to the jar file's directory but I'm ...

Newer versions of Java now require all JAR files to be signed with a valid code-signing key, and starting with Java 7 Update 51, unsigned or self-signed applications are blocked from running.

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 ...