一.Window监听器适配器抽象类
1.声明的方法

package java.awt.event;

public abstract class WindowAdapter implements WindowListener, WindowStateListener, WindowFocusListener {

// Constructors
public WindowAdapter() { }

// Methods
public void windowOpened(WindowEvent windowEvent) { }
public void windowClosing(WindowEvent windowEvent) { }
public void windowClosed(WindowEvent windowEvent) { }
public void windowIconified(WindowEvent windowEvent) { }
public void windowDeiconified(WindowEvent windowEvent) { }
public void windowActivated(WindowEvent windowEvent) { }
public void windowDeactivated(WindowEvent windowEvent) { }
public void windowStateChanged(WindowEvent windowEvent) { }
public void windowGainedFocus(WindowEvent windowEvent) { }
public void windowLostFocus(WindowEvent windowEvent) { }
}

2.使用者Window

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