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  • 38

    package test_12;

    import java.awt.*;
    import java.awt.event.*;

    class MyWindowListener implements WindowListener
    {
    public void windowClosing(WindowEvent e)
    {
    System.out.println("我退出了!");
    e.getWindow().setVisible(false); //变为不显示
    ((Window)e.getComponent()).dispose(); //释放窗口资源
    System.exit(0); //结束虚拟系统运行
    }
    public void windowActivated(WindowEvent e){}
    public void windowClosed(WindowEvent e){}
    public void windowDeactivated(WindowEvent e){}
    public void windowDeiconified(WindowEvent e){}
    public void windowIconified(WindowEvent e){}
    public void windowOpened(WindowEvent e){}
    };

    class TestFrame {
    public static void main(String arg[])
    {
    Frame f = new Frame("A Test Window");
    f.setSize(700,500);
    f.setVisible(true);
    f.addWindowListener(new MyWindowListener());
    }
    }

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  • 原文地址:https://www.cnblogs.com/acm-icpcer/p/6666733.html
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