マルチスレッドデータ同期のsynchronized同期方法-マルチスレッドアクセス臨界リソース

package com.tools;
/**
 *  
 * @author Administrator
 *
 */
class TicketSouce implements Runnable
{
    // 
    private int ticket=99;
    public void run()
    {
        for(int i=1;i<200;i++)// 
        {
            try {
                // 1 ， ， 
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            this.sale();
        }
    }
    public synchronized void sale()
    {
            if(ticket>0)
            {
                System.out.println(Thread.currentThread().getName()+" "+this.ticket--+" ");
            }
    }
}
public class Test {
    public static void main(String args[])
    {
        TicketSouce mt=new TicketSouce();
        // 10 
        new Thread(mt,"a").start();
        new Thread(mt,"b").start();
        new Thread(mt,"c").start();
        new Thread(mt,"d").start();
        new Thread(mt,"e").start();
        new Thread(mt,"f").start();
        new Thread(mt,"g").start();
        new Thread(mt,"h").start();
        new Thread(mt,"i").start();
        new Thread(mt,"j").start();
    } 

}