Java实现的围棋游戏源代码分享

import java.awt.*;
import java.awt.event.*;
class ChessPad extends Panel implements MouseListener,ActionListener
{  int x=-1,y=-1, 棋子颜色=1;
   Button button=new Button("重新开局"); 
   TextField text_1=new TextField("请黑棋下子"),
             text_2=new TextField();
   ChessPad()
   {  setSize(440,440);
      setLayout(null);setBackground(Color.orange);
      addMouseListener(this);add(button);button.setBounds(10,5,60,26);
      button.addActionListener(this);
      add(text_1);text_1.setBounds(90,5,90,24);
      add(text_2);text_2.setBounds(290,5,90,24);
      text_1.setEditable(false);text_2.setEditable(false);
   }
   public void paint(Graphics g)              
   {  for(int i=40;i<=380;i=i+20)
       {  g.drawLine(40,i,400,i);
       }
      g.drawLine(40,400,400,400);
      for(int j=40;j<=380;j=j+20)
       { g.drawLine(j,40,j,400);
       }
       g.drawLine(400,40,400,400); 
       g.fillOval(97,97,6,6); g.fillOval(337,97,6,6);
       g.fillOval(97,337,6,6);g.fillOval(337,337,6,6);
       g.fillOval(217,217,6,6);
   }
   public void mousePressed(MouseEvent e)