Mac Java menubar FAQ: I'm creating a "Mac Java" application for (a Java Swing application for Mac OS X) ... how do I put my Java menu bar (JMenuBar) on the Mac menubar?
Answer: In your Java Mac application, set the system property
true, like this:
You'll see that this moves the menu bar off of your JFrame and onto the Mac OS X system menu bar. Note that you need to do this very early in your Java application, such as in the main method.
Much more thorough Mac/Java/Swing tutorial
This article discusses one particular problem related to Mac/Java/Swing development. If you want to know all about how to make a Java application look and feel like a native Mac application, please see my Making Java/Swing applications work like native Mac applications tutorial.
Other Mac/Java posts
Besides that longer Mac/Java tutorial, I also have these shorter Mac Java tutorials: