Stop Java Coffee Cup icon from appearing in the Dock on Mac OSX

April 1, 2023 by Tarik

Like @EGHM said, it’s -Dapple.awt.UIElement=true, but with no quotes. At least it works for me (OS X 10.7.5).

If you happen to be using Eclipse, you can add this JVM argument globally in Preferences → Installed JREs:

enter image description here