元胞自动机-Java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
 

 

public class CA extends JFrame implements ActionListener,MouseListener,MouseMotionListener
{
  private static final String name = null;
  private JMenu file, edit, set, run, view,windows, help;
  private JLabel jla;
  private JTextField jte;
  private JButton but1,but2,but3,but4;
/*   private int size = 400;
  private int bao1[] = new int[size];
  private int bao2[] = new int[size]; */
  
  private final int xnum  =40,ynum = 40;              
  private final int cellsize = 10;  
  private int now[][]; 
  private Container con,con2;                                    
  private JPanel showpan;
  private Keyout keyout;
  private Stack stack;
  private acting ac;
    public  CA()

   {      
  super("基于CA-火灾逃逸模拟");
  getContentPane().setBackground(Color.white);
//菜单条 
  file = new JMenu ("文件");
  edit = new JMenu ("编辑");
  set = new JMenu ("设置"); 
  run = new JMenu ("运行");
  view = new JMenu ("浏览");
  windows = new JMenu ("窗口");
  help = new JMenu ("帮助"); 
  JMenuItem xin, open, close, save, saveAs;
  xin = new JMenuItem ("打开"); 
  open = new JMenuItem ("新建");
  save = new JMenuItem ("保存");
  saveAs = new JMenuItem ("另存为");
  close = new JMenuItem ("关闭");
  JMenu del = new JMenu("删除");
  del.add ("删除全部");
  JMenuItem delLine = new JMenuItem ("删除这行");  
  del.add (delLine);
  delLine.setEnabled (false);
  edit.add (del);
  file.add (xin);
  file.add (open);
  file.add (save);
  file.add (saveAs);
  file.add (close);
  JMenuBar bar = new JMenuBar ();
  bar.add (file);