原子類進行i++操作實現線程安全

package com.freeflying.thread.volatil;
import java.util.concurrent.atomic.AtomicInteger;
/**
 * 使用原子類進行i++操作實現線程安全
 * @ClassName: AtomicClass  
 * @Description:
 * @author freeflying
 * @date 2018年7月14日
 */
public class AtomicClass {
	public static void main(String[] args) {
		AtomicClassEx atomicClassEx=new AtomicClassEx();
		Thread t1=new Thread(atomicClassEx);
		t1.start();
		Thread t2=new Thread(atomicClassEx);
		t2.start();
		Thread t3=new Thread(atomicClassEx);
		t3.start();
	}
}
class AtomicClassEx extends Thread{
	private AtomicInteger count=new AtomicInteger(0);
	@Override
	public void run() {
		for (int i = 0; i < 10000; i++) {
			System.out.println(count.incrementAndGet());
		}
	}
}

結果：

......
29995
29996
29997
29998
29999
30000