[Ed]

It works in JDK 1.3.1 AND 5.0
It creates a windows with the same size of the screen.

Code:

    Window frame = new Window(new Frame()) ;
    Toolkit toolkit = Toolkit.getDefaultToolkit() ;
    Dimension dim = toolkit.getScreenSize() ;
    
    frame.setBounds(0, 0, dim.width, dim.height) ;

    ....

    frame.setVisible(true) ;