Question

一道JAVA实验课填代码的题目，新手求指教

代码1 代码2 代码3 怎么填

Answer 1

代码：

1、
this.addWindowListener(new WinClose() );

2、
implements WindowListener

3、
public void windowOpened(WindowEvent e) {
}

public void windowIconified(WindowEvent e) {
}

public void windowDeiconified(WindowEvent e) {
}

public void windowDeactivated(WindowEvent e) {
lab.setText("失去焦点");
}

public void windowClosing(WindowEvent e) {
}

public void windowClosed(WindowEvent e) {
}

public void windowActivated(WindowEvent e) {
lab.setText("得到焦点");
}

Answer 2

f.addWindowListener(WinClose); //为窗口f注册窗口事件监听器为WinClose类对象

代码2：
itemLiterature.setAccelerator(KeyStroke.getKeyStroke('A'));

代码3：
menu.addSeparator();
不一定正确仅供参考

Answer 3

请问这本书叫什么名字？