thread10.java

java关于线程的一些实例

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class Thread10 extends Applet implements Runnable{
	int money=100;
	TextArea ta1,ta2;
	Thread saveMoney,getMoney;
	public void init(){
		ta1=new TextArea(20,8);
		ta2=new TextArea(20,8);
		saveMoney=new Thread(this);
		getMoney=new Thread(this);
		add(ta1);
		add(ta2);
		
	}
	public void start(){
		saveMoney.start();
		getMoney.start();
	}
	public synchronized void save(int number){
		if(Thread.currentThread()==saveMoney){
			for(int i=1;i<=3;i++){
				money=money+number;
				try{
					Thread.sleep(1000);
				}catch(InterruptedException e){}
				ta1.append("\n"+money);
			}
		}
		else if(Thread.currentThread()==getMoney){
			for(int i=1;i<=2;i++){
				money=money-number/2;
				try{
					Thread.sleep(1000);
				}catch(InterruptedException e){}
				ta2.append("\n"+money);
			}
		}
	}
	public void run(){
		if(Thread.currentThread()==saveMoney||Thread.currentThread()==getMoney){
			for(int i=1;i<=3;i++){
				save(30);
			}
		}
	}

}