关于多线程变量共享问题_改进

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);
}
}

Thread-0:11
Thread-1:12
Thread-2:13