example9_2.java.bak

不错的教程 适合中高级人员的使用

public class Example9_2 
{  public  static void main(String args[])
   {
	   People teacher,student;
	   ComputerSum sum=new ComputerSum();
	   teacher=new People("老师",200,sum);
	   student=new People("学生",200,sum);
	   teacher.start();
	   student.start();
   }
}
class ComputerSum
{
	int sum;
	public void setSum(int n)
	{sum=n;}
	public int getSum()
	{return sum;}
}
class People extends Thread
{ int timeLength;
  ComputerSum sum;
  People(String s,int timeLength,ComputerSum sum)
  {  setName(s);
     this.timeLength=timeLength;
	 this.sum=sum;
  }
  public void run()
	{
	  for(int i=1;i<=5;i++)
		{
		  int m=sum.getSum();
		  sum.setSum(m+1);
		  System.out.println("我是"+getName()+"现在的和："+sum.getSum());
		  try{
			  sleep(timeLength);
		  }
		  catch(InterruptException e){}
	  }
  }
}