Create on single .JAR with no lib folder [duplicate]

This question already has answers here: Closed 9 years ago.

Possible Duplicate:

NetBeans - deploying all in one jar

I am using netbeans to develop a project. My project also depends on the javaMail files which I added using Netbeans libraries. When I build the project I get a dist folder under which is my jar file and a lib folder. I want to distribute the project simply to my users an开发者_如何学Pythond want to some how wrap the lib contents into the project jar file. Is there a simple way to accomplish this using Netbeans?

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There are a few posts on this topic:

• Put external libraries to the jar (NetBeans specific)
• Netbeans - deploying all in one jar (NetBeans specific)
• Classpath including JAR within a JAR
• Java: Easiest way to merge a release into one jar file

And others specific to other build environments and IDEs