xiancheng.java

多线程java实例 对进程学习者有所帮助吧

package zhaofei;

public class xiancheng{
  public static void main(String[] args) {
    int n = 0;
    SimpleThread zf1 = new SimpleThread("1");
    SimpleThread zf2 = new SimpleThread("2");
    zf1.setPriority(1);
    zf2.setPriority(5);
    //for (int i=0 ;i<5; i++){
    zf1.start(); //通过休眠 分别的执行 线程1 和2
    zf2.start();
    //}
    //n = zf1.n;
    //n = zf2.n;
    //while (zf1.i <1) {
     // n++;//System.out.println(zf1.i);
    //}
    System.out.println(n);
  }
}

class SimpleThread extends Thread{
  int i,n=0;
  public SimpleThread(String str){
    super(str);
  }
  public synchronized void run(){ //就在这里处理问题

    for (this.i=0; i<8;i++){
      System.out.println("<<" +i+"   线程" +getName()+">>");
      try{
        sleep((long)(Math.random()*50)); //sleep 指定进程执行多久休眠
       // sleep(100);
      }
      catch (InterruptedException e){}
    }
    n=Integer.parseInt(getName());
    System.out.println(getName()+ "完成" + this.n);

    //n++;
  }
}