How to hide the default minimize/maximize and close buttons on JFrame window in Java?

Question

I would like to know if it is possible to create a JFrame window which has no default maximize/minimize(-) and close(x) buttons! I have added custom buttons on

Answer 1

You can use JWindow because is by default un_decorated, but you can setUndecorated() for JFrame/JDialog

another ways are

• implements WindowListener

• setDefaultCloseOperations