I put the JMenuBar on the menu Bar of a window, and then add JMenu to Bar, menu Bar why this window is empty, the JMenu instead defiled with the rest of the space==

CodePudding user response:

The

refer to the original poster weixin_45834886 response:

I put the JMenuBar on the menu Bar of a window, and then add JMenu to Bar, menu Bar why this window is empty, the JMenu instead defiled with the rest of the space==

You add jmenu in the jframe, jmenu to add in the jmenubar,