Swing_JFream关闭窗口的两种方式

1

		this.addWindowListener(new WindowAdapter() {
			@Override
			public void windowClosing(WindowEvent e) {
				super.windowClosing(e);
//				System.exit(0);
				CavasFrame.this.dispose();
			}
		
		});

2

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);