daemontest.java

来自「Java 程序设计源码 只提供了部分」· Java 代码 · 共 57 行

class TT extends Thread {
  private static int i;
  private volatile String name;

  TT(int i, String n) {
    this.i = i;
    name = n;
    setDaemon(true);

    start();
  }

  public void run() {
    while(true) {
      i++;

      try {
        sleep(100);
      }
      catch(InterruptedException ie) {
        System.out.println("The thread is interrupted." + this.name);
      }

      System.out.println(this.name);

      return;
    }
  }
}

class DaemonTest {
  public static void main(String[] args) {
    TT[] t = new TT[5];

    for(int i = 0; i < t.length; i++) {
      t[i] = new TT(i, "Thread");

      try {
        Thread.sleep(10);
      }
      catch(InterruptedException ie) {
        System.out.println("Interrupted.");
      }
    }

    try {
      Thread.sleep(20);
    }
    catch(InterruptedException ie) {
      System.out.println("The main is interrupted.");
    }
  }
}