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  • Adapt适配器

    为接口提供所有的空实现,让使用者仅仅覆盖需要的部分;

    本思想肯定有问题,慢慢考究

        frame.addWindowListener(new WindowAdapter() {
                @Override
                public void windowClosing(WindowEvent e) {
                    // TODO Auto-generated method stub
                    super.windowClosing(e);
                }
            });

    Window是一个接口,拥有众多方法等等待实现,如关闭,打开,最小化。。。。

    WindowAdapter()是一个适配器,提供了所有Window方法的空实现,在不覆盖时,什么也不做

    public abstract class WindowAdapter
    implements WindowListener, WindowStateListener, WindowFocusListener
    {
    public void windowOpened(WindowEvent e) {}
    public void windowClosing(WindowEvent e) {}
    public void windowClosed(WindowEvent e) {}
    public void windowIconified(WindowEvent e) {}
    public void windowDeiconified(WindowEvent e) {}
    public void windowActivated(WindowEvent e) {}
    public void windowDeactivated(WindowEvent e) {}
    public void windowStateChanged(WindowEvent e) {}
    public void windowGainedFocus(WindowEvent e) {}
    public void windowLostFocus(WindowEvent e) {}
    }
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  • 原文地址:https://www.cnblogs.com/cenzhongman/p/6135916.html
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