Here you can find the source of storeStoreBarrier()
public static void storeStoreBarrier()
//package com.java2s; //License from project: Open Source License import java.util.concurrent.atomic.AtomicInteger; public class Main { private static final AtomicInteger ai = new AtomicInteger(); public static void storeStoreBarrier() { ai.lazySet(-1);/*from ww w.ja va 2 s . c o m*/ } }