simplethread.java

这是《Java案例精粹150例（上册）》一书配套的源代码。

//  SimpleThread.java
package javabasic;

public class SimpleThread extends Thread {
  private int countDown = 5;
  private static int threadCount = 0;
  private int threadNumber = ++threadCount;
  public SimpleThread() {
    System.out.println("Making " + threadNumber);
  }
  public void run() {
    while(true) {
      System.out.println("Thread " + 
        threadNumber + "(" + countDown + ")");
      if(--countDown == 0) return;
    }
  }
  public static void main(String[] args) {
    for(int i = 0; i < 5; i++)
      new SimpleThread().start();
    System.out.println("All Threads Started");
  }
}