关于多线程变量共享问题

关于多线程变量共享问题_改进

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发布时间：2019-06-28

本文共 1382 字，大约阅读时间需要 4 分钟。

package com.sysware.task.util;import java.util.concurrent.atomic.AtomicInteger;/** * 多线程 * * @author : WBA * @version : 2.9.6 * @copyright : Sysware Technology * @date : 2018/4/8 16:42 */public class MultiThread implements Runnable {    private static AtomicInteger count = new AtomicInteger(10);    String name = "";    MultiThread(String name) {        this.name = name;    }    public static void main(String[] args) {        new Thread(new MultiThread("T1")).start();        new Thread(new MultiThread("T2")).start();        new Thread(new MultiThread("T3")).start();    }    @Override    public void run() {        count.getAndIncrement();        System.out.println(Thread.currentThread().getName() + ":" + count);    }}class Add implements Runnable {    private static AtomicInteger count;    Add(AtomicInteger count) {        this.count = count;    }    @Override    public void run() {        count.getAndIncrement();        System.out.println(Thread.currentThread().getName() + ":" + count);    }}class Reduce implements Runnable {    private static AtomicInteger count;    Reduce(AtomicInteger count) {        this.count = count;    }    @Override    public void run() {        count.getAndDecrement();        System.out.println(Thread.currentThread().getName() + ":" + count);    }}

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