关于窗体的关闭问题？？？

Question

你有：
 public void windowClosing(WindowEvent e)
                      { System.exit(0);
                        }
吗，如果有的话，应该能关闭吧！

Answer 1

Using dispose() method,i think..

Answer 2

agree hbuzhang(zhang)
那段代码是用来销毁frame资源的，初始化了的frame都可以被销毁掉，从而释放资源.

Answer 3

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
public class student extends JFrame implements ActionListener{
         JMenuBar jmeb;
         JMenu    jme;
         Container c;
         JFrame   frame;
         JMenuItem jmei1,jmei2,jmei3,jmei4;
         liulan liu = null;
         chaxun cha = null;
         student(){
         frame = new JFrame("zhuyemian");
         c = new Container();
         c.setLayout(new FlowLayout(FlowLayout.CENTER));
         
         jmeb = new JMenuBar();
         frame.setJMenuBar(jmeb);
         
         jme = new JMenu("qinxuanzhe");
         
         jmei1 = new JMenuItem("liulan");
         jme.add(jmei1);
         jmei1.addActionListener(this);
         
         jmei2= new JMenuItem("chaxun");
         jme.add(jmei2);
         jmei2.addActionListener(this);
         jmei3 = new JMenuItem("shangchuan");
         jme.add(jmei3);
         jmei3.addActionListener(this);
         jmei4 = new JMenuItem("xiazai");
         jme.add(jmei4);
         jmei4.addActionListener(this);
         jmeb.add(jme);         liu=new liulan(this);
         cha=new chaxun(this);
         addWindowListener(new WindowAdapter()
                    { public void windowClosing(WindowEvent e)
                       {
                         System.exit(1);
                      }
                    });
         frame.setSize(400,400);
         frame.setVisible(true);           
        }
        public void actionPerformed(ActionEvent e)
   {
     if(e.getSource()==jmei1)
       {
        
       }
     else if(e.getSource()==jmei2)
       {
        cha.setVisible(true);
       }
     else if(e.getSource()==jmei3)
      {
         liu.setVisible(true);
      }
     else if(e.getSource()==jmei4)
      {
       
      }
   }
        
        
        public static void main(String args[])
        {
            new student();
        }
   }