tongbu.java

有关java的源程序,为讲授java程序设计课程使用

import java.applet.Applet;
import java.awt.*;
public class tongbu extends Applet implements Runnable
{
	int Accounts=1000;
	int money,interest,totalMoney;
	List list=new List();
	public void init()
	{
		list.resize(size().width,size().height-50);
		setLayout(new BorderLayout());
		add("Center",list);
		add("South",new Button("Calculate"));
	}
	public boolean action(Event event, Object arg)
	{
		if(arg.equals("Calculate"))
		{
			for(int i=1;i<=50;i++)
				new Thread(this).start();
		}
		else 
			return super.action(event,arg);
		return true;
	}
	public void addList()
	{
		String result=String.valueOf(totalMoney)+"--"+String.valueOf(interest);
		list.addItem(result);
	}
	public void calculate(int n)
	{
		totalMoney+=n;
		int in=(int)(n*0.1);
		interest+=in;
	}
      public  synchronized void run()
//        public  void run()
	{
		for(int i=0;i<10;i++)
		{
		   calculate(Accounts);
		}
		     try
		     {
               	       Thread.sleep(10);
		     }
		     catch(InterruptedException e)
		     {
		     }
		addList();
	}
}