多线程例子

package com.duoxianc;

public class Tickitethread
{
    public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException
    {
        Runnable ticket = new TicketRunnable();
        Thread t1 = new Thread(ticket, "window1_sale");
        Thread t2 = new Thread(ticket, "window2_sale");
        Thread t3 = new Thread(ticket, "window3_sale");
        Thread t4 = new Thread(ticket, "window4_sale");
        t1.start();
        t2.start();
        t3.start();
        t4.start();
//        //反射机制
//        Class cls=Tickitethread.class;
//        System.out.println(cls.getClass());
//        //得到对应的class路径
//        Class obj  = Class.forName(new Tickitethread().getClass().getName());
//        //通过Class类对象的方法得到对应实例 根据类路径得到对象
//        Tickitethread tik=(Tickitethread)obj.newInstance();
//        System.out.println(obj.newInstance().getClass().getName());
    }
}

class TicketRunnable implements Runnable
{
    private int ticketNum = 10;
    
    public void run()
    {
        //同步代码块
        synchronized (new Object())
        {
        while (true)
        {
                
                if (ticketNum > 0)
                {
                    try
                    {
                        Thread.sleep(0);
                    }
                    catch (InterruptedException e)
                    {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                    System.out.println(Thread.currentThread().getName() + ":" + ticketNum--);
                    // TODO Auto-generated catch block
                }
                else
                    break;
            }
        }
    }
    
}