import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class DuoXiancheng extends JApplet implements ActionListener {

   //用applet定義變量和類R
   private JLabel infor1;
   private JLabel infor2;
   private JLabel infor3;
   private JLabel infor4;
   private JLabel infor5;
   private JLabel infor6;
   
   private JPanel inforPanel;
   private JPanel inforPanel2;
   
   private JLabel shuchus[];
   private JCheckBox annius[];   

   private Thread xianchengs[];
   private boolean zhanting[];

   private String colorNames[] = { "Black", "Blue", "Cyan", 
      "Dark Gray", "Gray", "Green", "Light Gray", 
      "Magenta", "Orange", "Pink", "Red", "White", "Yellow","Red","Blue" };
      
   private Color colors[] = { Color.black, Color.blue, 
      Color.cyan, Color.darkGray, Color.gray, Color.green,
      Color.lightGray, Color.magenta, Color.orange, Color.pink,
      Color.red, Color.white, Color.yellow,Color.red,Color.blue, };
   
   // 設(shè)置GUI 和數(shù)組
   public void init()
   {
      shuchus= new JLabel[15];
      annius = new JCheckBox[15];
      xianchengs = new Thread[15];
      zhanting = new boolean[15];
      
      JLabel infor1=new JLabel("");
      JLabel infor2=new JLabel("       多線程演示程序");
      JLabel infor3=new JLabel("           江南大學(xué)");
      JLabel infor4=new JLabel("          信息工程學(xué)院");
      JLabel infor5=new JLabel("  軟件0202班     劉昌勁");
      JLabel infor6=new JLabel("       6號(hào)");
      
      JPanel inforPanel=new JPanel();
      inforPanel.setLayout(new GridLayout(1,3));
      inforPanel.add(infor1);
      inforPanel.add(infor2);
      inforPanel.add(infor3);
      inforPanel.add(infor4);
      inforPanel.add(infor5);
      inforPanel.add(infor6);
      
      JPanel inforPanel2=new JPanel();
      inforPanel2.setLayout(new GridLayout(5,6,7,7));
    
      Container container = getContentPane();
      container.add(inforPanel,BorderLayout.NORTH);
      container.add(inforPanel2,BorderLayout.CENTER);
      
      // 創(chuàng)建GUI元素,注冊(cè)listeners 并關(guān)聯(lián)到content pane
      
      for ( int c = 0; c < 15; c++ ) {
         annius[c] = new JCheckBox( "線程"+(c+1)+"停止/開始");
         annius[c] .addActionListener( this );
         annius[c].setBackground(Color.orange);
         inforPanel2.add(annius[c]);

         shuchus[c] = new JLabel();
         shuchus[c].setOpaque( true );
         inforPanel2.add( shuchus[c] );
      }
      
   }
  
   //創(chuàng)建和開始線程方法，該方法在init之后和用戶背調(diào)用
   
   public void start()
   {
      // 創(chuàng)建線程，每次start（）開始時(shí)就運(yùn)行
      for (int c=0;c<xianchengs.length; c++) {

         // 創(chuàng)建線程，用Runnable對(duì)象R初始化
         xianchengs[c] = new Thread( new R(), 
            "第"+(c+1)+"個(gè)線程");

         //執(zhí)行線程
         xianchengs[c].start();
        
      }
   }

   // 尋找線程在數(shù)組中的位置
   private int zhiyin( Thread liuxing)
   {
      for ( int a=0; a<xianchengs.length;a++)

         if (liuxing==xianchengs[a] )
            return a;

      return -1; 
   }

   //當(dāng)用戶選中按鈕就調(diào)用該方法停止線程
   public synchronized void stop()
   {
      // 開始令每個(gè)線程都運(yùn)有