import java.awt.*;
import java.awt.event.*;
public class HelloMan extends Frame
{
Label lbl=new Label("欢迎大家，希望能成为朋友");
Button b1=new Button("确定");
HelloMan(String s)
{
super(s);
setLayout(new GridLayout(2,1));
add(lbl);
add(b1);
b1.addMouseListener(new MyMouseAdapter());
addWindowListener(new MyWindowAdapter());
}
private class MyMouseAdapter extends MouseAdapter
{
public void mouseClicked(MouseEvent e)
{
System.exit(0);
}
}
private class MyWindowAdapter extends WindowAdapter
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
}
public static void main(String[] arg)
{
HelloMan f=new HelloMan("欢迎");
f.setSize(300,200);
f.show();
}
}
加上上面的代码就可以关闭了。 | 
