A JAR file is an archive file but is more than a file compression format. Here's how to open, run, or execute JAR files.

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

Here's a quick example of how to use Java's jarsigner to digitially sign JAR files.