morethreads.java

Java 程序设计源码 只提供了部分

class MultiThreadDemo implements Runnable {
  int count;
  Thread thrd;

  MultiThreadDemo(String name) {
    thrd = new Thread(this, name);
    count = 0;
    thrd.start();
  }

  public void run() {
    System.out.println(thrd.getName() + "Thread begin:");

    try {
      do {
        Thread.sleep(500);

        System.out.println("at" + thrd.getName() + ", count at:" + count);

        count++;
      }
      while(count < 5);
    }
    catch(InterruptedException e) {
      System.out.println(thrd.getName() + "end.");
    }
  }
}

public class MoreThreads {
    public static void main(String args[]) {
      System.out.println("main Thread begin:");

      MultiThreadDemo mtd1 = new MultiThreadDemo("Thread one");
      MultiThreadDemo mtd2 = new MultiThreadDemo("Thread two");
      MultiThreadDemo mtd3 = new MultiThreadDemo("Thread three");

      do {
        System.out.print(".");
        try {
          Thread.sleep(100);
        }
        catch(InterruptedException e) {
          System.out.println("main Thread was interrupted.");
        }
      }
      while((mtd1.count < 5) && (mtd2.count < 5) && (mtd3.count < 5));
      System.out.println("main Thread end.");
    }
  }