threadexam.java

Java程序设计实用教程源代码 本书源代码按章分别放置在不同的文件夹中,所有程序均在JDK1.6环境下编译运行正常,除了第13章需要建立ODBC数据源之外,其他程序只要有Java运行环境即可直接运行

class TicketThread
    extends Thread {
  private static int tickets = 10;
  public void run() {
    while (true) {
      if (tickets > 0) {
        try {
          sleep(100);
        }
        catch (Exception e) {
          System.err.println(e.getMessage());
        }
        System.out.println(this.getName() + " is saling " + tickets--);
      }
      else
        return;
    }
  }
}

public class ThreadExam {
  public static void main(String[] args) {
    TicketThread[] t = new TicketThread[4];
    for (int i = 0; i < 4; i++) {
      t[i] = new TicketThread();
      t[i].start();
    }
  }
}