Example9_14

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package itat;

import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Frame;
import java.awt.TextArea;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class Example9_14 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

new MyFrame1();
}

}
class MyFrame1 extends Frame implements Runnable ,ActionListener{

Soiler wang;
Thread zhang,li;
static TextArea text;
Button start=new Button("排队买票");
MyFrame1(){
  wang=new Soiler();
  zhang=new Thread(this);
  li=new Thread(this);
  text=new TextArea(10,30);
  start.addActionListener(this);
  add(text,BorderLayout.CENTER);
  add(start,BorderLayout.NORTH);
  setVisible(true);
  setSize(360,300);
  validate();
  addWindowListener(new WindowAdapter(){
   public void windowClosing(WindowEvent e){
    System.exit(0);
   }
  });
}

public void run() {
  // TODO Auto-generated method stub
  if(Thread.currentThread()==zhang){
   wang.soilergui(20);

  }else if(Thread.currentThread()==li){
   wang.soilergui(5);
  }
}

public void actionPerformed(ActionEvent e) {
  // TODO Auto-generated method stub
  try{
  zhang.start();
  li.start();
  }catch(Exception se){}
}

}
class Soiler{
int wunum=2,shinum=0,ershinum=0;
String s=null;
public synchronized void soilergui(int money){
  if(money==5){
   wunum=wunum+1;
   s="给你入场卷，你的钱正好";
   MyFrame1.text.append("/n"+s);
  }
  else if(money==20){
   while(wunum<3){
    try {
     wait();
    } catch (InterruptedException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   }
   wunum=wunum-3;
   ershinum=ershinum+1;
   s="给你入场卷"+"你给我２０元，找你１５元";
   MyFrame1.text.append("/n"+s);
  }
  notifyAll();

}
}