AstheJavaVirtualMachineisastack-basedmachine,almostallofitsinstructionsinvolvetheoperandstackinsomeway.Mostinstructionspushvalues,popvalues,orbothastheyperformtheirfunctions.Java虚拟机是基于栈的(stack-basedmachine)。几乎所有的java虚拟机的指令，都与操作数栈(operandstack)有关绝大多数指令都会在执行自己功能的时候进行入栈、出栈操作。1Java体系结构介绍Javasarchitecturearisesoutoffourdistinctbutinterrelatedtechnologies,eachofwhichisdefinedbyaseparatespecificationfromSunMicrosystems:1.1Java体系结构包括哪几部分？Java体系结构包括4个独立但相关的技术theJavaprogramminglanguageT程序设计语
