Example9_2

package itat;

public class Example9_2 {

 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO Auto-generated method stub
 
  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 int getSum() {
  return sum;
 }

 public void setSum(int sum) {
  this.sum = 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 (InterruptedException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
  }
 }
}