setLayout(null); add(button); button.setSize(button.getPreferredSize()); button.setLocation(20, 20); addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent e) { button.setLocation(e.getX(), e.getY()); } });
JFrame frame = new JFrame("MoveButton"); frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); frame.setSize(250, 200); frame.setLocation(200, 200); frame.setContentPane(new MoveButton()); frame.setVisible(true);