static final JFrame frame = new JFrame ( "Game" );

public static void main( String[] args ) {

      final GLProfile profile = GLProfile.get( GLProfile.GL2 );
      GLCapabilities capabilities = new GLCapabilities( profile );

      GLCanvas glcanvas = new GLCanvas(capabilities);
      LayeredTest figure = new LayeredTest();


      glcanvas.addGLEventListener( figure );
      glcanvas.setSize( 400, 400 );
      glcanvas.setFocusable(true);
      glcanvas.requestFocusInWindow();

      frame.getContentPane().add( glcanvas );
      frame.setSize( frame.getContentPane().getPreferredSize() );
      frame.setVisible( true );

}