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.

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 ...

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.

When Oracle publishes its next quarterly patch update in April, the company will begin treating JAR files signed with the MD5 hashing algorithm as unsigned.