Draw an image through desktop in java

How to draw an image using java in a window though its transparent part sho开发者_开发知识库w what lying behind that window like desktop ,for instance ?

I think what you are looking for is transparent windows. Create a transparent window and put your images in the window. Your images can have transparent sections.

http://java.sun.com/developer/technicalArticles/GUI/translucent_shaped_windows/