2.3.5使用原子类进行i++操作

package com.cky.thread;

import java.util.concurrent.atomic.AtomicInteger;

/**
 * Created by edison on 2017/12/9.
 */
public class AddCountThread extends Thread{
    private AtomicInteger count = new AtomicInteger(0);
    @Override
    public void run() {
        super.run();
        for (int i = 0; i < 10000; i++) {
            System.out.println(count.incrementAndGet());
        }
    }
}

package com.cky.test;

import com.cky.thread.AddCountThread;

/**
 * Created by edison on 2017/12/9.
 */
public class Run {
    public static void main(String[] args) {
        AddCountThread addCountThread = new AddCountThread();
        Thread t1 = new Thread(addCountThread);
        t1.start();
        Thread t2 = new Thread(addCountThread);
        t2.start();
        Thread t3 = new Thread(addCountThread);
        t3.start();
        Thread t4 = new Thread(addCountThread);
        t4.start();
        Thread t5 = new Thread(addCountThread);
        t5.start();
    }
}

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