http://www.jianshu.com/p/00edd5f5f1e2
http://www.ruanyifeng.com/blog/2013/11/stack.html
http://droidyue.com/blog/2014/12/07/differences-between-stack-and-heap-in-java/?hmsr=toutiao.io&utm_medium=toutiao.io&utm_source=toutiao.io
Java堆(heap)、栈(stack)和队列的区别
原文：http://www.cnblogs.com/hongdada/p/6464158.html
