Thread 初探

     对线程了解不多，且不经常去用，最近想起，小小了解，且做个小demon和大家分享一下。

demon：两个线程，分别交替打印20次后中断。

      package com.cn.ld.exercises;

import java.util.concurrent.atomic.AtomicInteger;

/**
 * @author Administrator
 * Exercise
 * 2011-9-22 下午04:55:55 
 * Description:
 */
public class Test {
 private static AtomicInteger s_count = new AtomicInteger(0);
 private static boolean stop ;
 private static int n = 0 ;
 private static int n1 = 0;
 private static int n2 = 0;
 public Test(boolean stop){
  this.stop = stop ;
 }
 public class thread1 implements Runnable {
  public  boolean stop= false ;
        public thread1(boolean  stop){
         this.stop = stop ;
        }
        public boolean  getStop(){
         return stop ;
        }
  public void run() {
   synchronized (s_count) {
    
    while (!stop) {
     if(n2==21&&n1==21){
      try {
       Thread.sleep(10000);
       stop = true ;
       Thread.interrupted();
      } catch (InterruptedException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
      }
     }
     if (n % 2 != 0) {
        System.out.println(Thread.currentThread().getName()
        + ":运行了" + n1 + "次！");
      n++ ;
      n1++;
      s_count.notify();
     } else {
      try {
       s_count.wait();
      } catch (InterruptedException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
      }
     }
    }
   }
  }

 }

 public class thread2 implements Runnable {
  public  boolean stop= false ;
        public thread2(boolean  stop){
         this.stop = stop ;
        }
        public boolean  getStop(){
         return stop ;
        }
  public void run() {
   synchronized (s_count) {
    
    while (!stop) {
     if(n2==21&&n1==21){
      try {
       Thread.sleep(10000);
       stop = true ;
       Thread.interrupted();
      } catch (InterruptedException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
      }
      
     }
     if (n % 2 == 0) {
      System.out.println(Thread.currentThread().getName()
         + ":运行了" + n2 + "次！");
      n++;
      n2++;
      s_count.notify();
     } else {
      try {
       s_count.wait();
      } catch (InterruptedException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
      }
     }
    }
   }
  }

 }

 public static void main(String[] args) throws InterruptedException {
  Test test = new Test(false);
  Thread t1 = new Thread(test.new thread1(test.stop));
  Thread t2 = new Thread(test.new thread2(test.stop));
     t1.start();
     t2.start();
 }
}

 

写的很丑陋，还请见谅，大家尽可怕转