If you have the Java Runtime Environment installed, and the JAR file is executable, it should open with a double-click. Sometimes, you might see a pop-up to choose which app to run the file.

Community driven content discussing all aspects of software development from DevOps to design patterns. Your specific reasons to open a JAR file will determine the right JAR file opener for you to ...

Each installation of the Java Development Kit (JDK) includes a JAR utility (named jar.sh on Unix and jar.exe on Windows) that provides a variety of helpful functions for working with JAR files, ...

To extract them, you can use the free command-line-based Java Archive Tool ... or by selecting "File," then "Open Archive." Find the location where the JAR file is, select it, then click "Open." ...

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 ...

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 ...

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 ...

and signed JAR files for use with Java Web Start. For example, I downloaded the version 1.1.1 release build for my Windows platform. Each of the open source Java projects covered in this series is ...