How to remove the active title bar of a frame?

Question

I have a JFrame which displays a title bar. Active title bar as it's called in Windows desktop properties. How to remove this bar?

Answer 1

frames have titlebars
windows do not
check out http://academicjava.com/Java%5Fhelp/Tutorial%5FExamples%5FSwing%5F5.html for examples

Answer 2

You can use setUndecorated(boolean undecorated) method in JFrame.

Note: This method can only be called while the frame is not displayable.