private static void createAndShowGUI(){
  frame=new JFrame("BasicDnD");
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  JComponent newContentPane=new BasicDnD();
  newContentPane.setOpaque(true);
  frame.setContentPane(newContentPane);
  frame.pack();
  frame.setVisible(true);
}

private static void createAndShowGUI ( ) { frame = new JFrame ( "BasicDnD" ) ; frame . setDefaultCloseOperation ( JFrame . EXIT_ON_CLOSE ) ; JComponent newContentPane = new BasicDnD ( ) ; newContentPane . setOpaque ( true ) ; frame . setContentPane ( newContentPane ) ; frame . pack ( ) ; frame . setVisible ( true ) ; }
create the gui and show it . for thread safety , this method should be invoked from the event - dispatching thread .
