How to Successfully Move the JMenuBar to the Mac Screen Menu Bar?

How to Move Your JMenuBar to the Screen Menu Bar on Mac OS X

When attempting to move the JMenuBar to the screen menu bar on Mac OS X using the System property "apple.laf.useScreenMenuBar", blank space can appear where the menu would reside in the window.

Alternative Solutions:

• Launch Time Setting:

Set the property when launching the application using the command:

java -Dapple.laf.useScreenMenuBar=true -jar MyApplication.jar

• Info.plist Configuration:

Include the property in the application bundle's Info.plist file:

<key>Properties</key>
<dict>
    <key>apple.laf.useScreenMenuBar</key>
    <string>true</string>
    ...
</dict>

Additional Notes:

• Ensure that the property is set at launch time, as setting it later may not be effective.
• The issue may arise due to missing or incorrect components in the DesktopMain class.

Addendum:

The problem does not occur when following the approaches outlined above. It is recommended to review the DesktopMain class or other components in your code.

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