虚拟引擎 JVM http://www.cnblogs.com/angeldevil/p/3801189.html 基础 http://rednaxelafx.iteye.com/blog/492667 todo https://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&tn=sitehao123&wd=虚拟机 栈 寄存器&oq=虚拟机 栈&rsv_pq=d1ee8afd00002c6b&rsv_t=0a6b186iWedv3Ie2iIrl6R%2F7UulPSt4BwtFVPEINkvVUOSWT4wC903FRlt02WY0J5Q&rsv_enter=1&inputT=2500&rsv_sug3=34&rsv_sug1=15&rsv_sug2=0&rsv_sug4=2689&rsv_sug=1