多线程按顺序输出ABC

/** 
* @author  mengwen  E-mail:  meng_wen@126.com
* @date 创建时间：2016年8月30日 下午3:10:32 
* @version 1.0 
* @parameter  
* @since  
* @return  
*/
public class MyThreadPrinter2 implements Runnable {

    private String name;
    private Object prev;
    private Object self;
    
    public MyThreadPrinter2(String name, Object prev, Object self) {
        this.name = name;
        this.prev = prev;
        this.self = self;
    }


    @Override
    public void run() {
        int count = 10;
        while(count>0){
            synchronized (prev) {
                synchronized (self) {
                    System.out.println(name);
                    count--;
                    self.notify();
                }
                try {
                    prev.wait();
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
        
    }
    
    
    public static void main(String[] args) throws InterruptedException {
        Object a = new Object();
        Object b = new Object();
        Object c = new Object();
        MyThreadPrinter2 pa = new MyThreadPrinter2("A", c, a);
        MyThreadPrinter2 pb = new MyThreadPrinter2("B", a, b);
        MyThreadPrinter2 pc = new MyThreadPrinter2("C", b, c);
        
        new Thread(pa).start();
        Thread.sleep(100);
        new Thread(pb).start();
        Thread.sleep(100);
        new Thread(pc).start();
        Thread.sleep(100);
    }

}