[javaSE] 多线程（守护线程）

class Ticket implements Runnable {
    private int nums = 100;

    @Override
    public void run() {

        while (true) {
            synchronized (this) {
                if (nums > 0) {
                    try {
                        Thread.sleep(100);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                    System.out.println(Thread.currentThread().getName() + "==="
                            + (nums--));
                }else{
                    break;
                }

            }
        }
    }

}

public class TicketDemo {

    /**
     * @param args
     */
    public static void main(String[] args) {
        Ticket ticket = new Ticket();
        Thread t1=new Thread(ticket);
        Thread t2=new Thread(ticket);
        t1.setDaemon(true);
        t2.setDaemon(true);
        t1.start();
        t2.start();
        
        //主线程执行1秒就结束，其他守护线程还没走完也会结束
        while(true){
            try {
                Thread.sleep(1000);
                break;
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

}