参考：
1、http://ios.jobbole.com/81900/
2、https://stackoverflow.com/questions/79923/what-and-where-are-the-stack-and-heap
3、https://vikashazrati.wordpress.com/2007/10/01/quicktip-java-basics-stack-and-heap/
原文：http://www.cnblogs.com/codetime/p/7353434.html