每日算法 - 多线程 交替输出1A2B3C4D...26Z

 

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题目

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代码

package com.thread;

/**
 * 字符交替出现
 */
public class CharAlternately {
    public static void main(String[] args) {
        final Object o = new Object();

        String[] aInt = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
        char[] aChar = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J'};


        new Thread(()->{
            synchronized (o){
                for(String c:aInt){
                    System.out.print(c);
                    try {
                        o.notify();//叫醒t2
                        o.wait();//阻塞自己
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
                o.notify();
            }
        },"t1").start();

        new Thread(()->{
            synchronized (o){
                for(char c:aChar){
                    System.out.print(c);
                    try {
                        o.notify();//叫醒t1
                        o.wait();//阻塞自己
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
                o.notify();
            }
        },"t2").start();

    }
}