Java中的堆和栈的区别 - 技术小黑屋



Java中的堆和栈的区别 - 技术小黑屋

当一个人开始学习Java或者其他编程语言的时候,会接触到堆和栈,由于一开始没有明确清晰的说明解释,很多人会产生很多疑问,什么是堆,什么是栈,堆和栈有什么区别?更糟糕的是,Java中存在栈这样一个后进先出(Last In First Out)的顺序的数据结构,这就是java.util.Stack。这种情况下,不免让很多人更加费解前面的问题。事实上,堆和栈都是内存中的一部分,有着不同的作用,而且一个程序需要在这片区域上分配内存。众所周知,所有的Java程序都运行在JVM虚拟机内部,我们这里介绍的自然是JVM(虚拟)内存中的堆和栈。


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