Remove title bar of JInternalFrame [duplicate]

Question

This question already has answers here:

hiding title bar of JInternalFrame? -java (4 answers)

Closed 8 years ago.

Does anyone know how to remove the title bar of a JInternalFrame?

I already know to set frame.setBorder(null); to remove the borders, but the title bar remains. I hope you can help.

Answer 1

As simple as that..

jInternalFrame1.setUI(null);

Try.. Thanks..