Java多线程Condition定点通知

多线程之间按顺序调用，实现A->B->C
三个线程启动，要求如下：
A打印5次，B打印10次，C打印15次
接着
 A打印5次，B打印10次，C打印15次
 来10轮

package com.yangyuanyuan.juc1205;


import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

class ShareData
{
    private int number = 1;//A : 1  B:2 C:3
    private Lock lock = new ReentrantLock();
    private Condition c1 = lock.newCondition();
    private Condition c2 = lock.newCondition();
    private Condition c3 = lock.newCondition();

    public void print5()
    {
        lock.lock();
        try
        {
            //1 判断
            while(number != 1)
            {
                //wait.....
                c1.await();
            }
            //2 干活
            for (int i = 1; i <=5; i++)
            {
                System.out.println(Thread.currentThread().getName()+"\t"+i);
            }
            //3 通知
            number = 2;
            // 如何通知第2个
            c2.signal();
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            lock.unlock();
        }
    }
    public void print10()
    {
        lock.lock();
        try
        {
            //1 判断
            while(number != 2)
            {
                //wait.....
                c2.await();
            }
            //2 干活
            for (int i = 1; i <=10; i++)
            {
                System.out.println(Thread.currentThread().getName()+"\t"+i);
            }
            //3 通知
            number = 3;
            // 如何通知第2个
            c3.signal();
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            lock.unlock();
        }
    }
    public void print15()
    {
        lock.lock();
        try
        {
            //1 判断
            while(number != 3)
            {
                //wait.....
                c3.await();
            }
            //2 干活
            for (int i = 1; i <=15; i++)
            {
                System.out.println(Thread.currentThread().getName()+"\t"+i);
            }
            //3 通知
            number = 1;
            // 如何通知第2个
            c1.signal();
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            lock.unlock();
        }
    }
}


public class ConditionDemo
{
    public static void main(String[] args)
    {
        ShareData shareData = new ShareData();

        new Thread(() -> {
            for (int i = 1; i <=10; i++) {
                shareData.print5();
            }
        },"A").start();

        new Thread(() -> {
            for (int i = 1; i <=10; i++) {
                shareData.print10();
            }
        },"B").start();

        new Thread(() -> {
            for (int i = 1; i <=10; i++) {
                shareData.print15();
            }
        },"C").start();

    }
}