JVM从入门到精通运行数据区的相关内容

JVM 从入门到精通（六）JVM运行时数据区——虚拟机栈2

四、操作数栈（Operand Stack）1.栈：可以使用数组或者链表来实现2.每一个独立的栈帧中除了包含局部变量表以外，还包含一个后进先出的操作数栈，也可以成为表达式栈3.操作数栈，在方法执行过程中，根据字节码指令，往栈中写入数据或提取数据，即入栈（pu...

JVM 从入门到精通（六）JVM运行时数据区——虚拟机栈1

文章目录一、虚拟机栈概述1.1 虚拟机栈的背景1.2 内存中的堆与栈1.3 虚拟机栈的基本内容1.4 栈中可能出现的异常1.5 设置栈的内存大小二、栈的存储单位2.1 Java虚拟机栈的存储结构和运行原理2.2 栈帧的内部结构三、局部变量表（Local Variables）3.1 查看帧的局部变量表...

JVM 从入门到精通（五）JVM运行时数据区——程序计数器（PC寄存器）

一、PC Register 介绍JVM中的程序计数寄存器（Program Counter Register）中，Register的命名源于CPU的寄存器，寄存器存储指令相关的现场信息。CPU只有把数据装载到寄存器才能够运行。JVM中的PC寄存器是对物理PC寄存器的一种抽象模拟。作用： PC寄存器用来...

JVM 从入门到精通（四）运行时数据区概述及JVM中的线程说明

文章目录一、前言二、Java内存空间三、Java内存分区介绍四、Java中的线程与进程4.1 JVM系统线程分类一、前言前面讲过了JVM的类加载子系统，今天咱们先简单聊一聊JVM运行时序区。我们知道内存是非常重要的系统资源，是硬盘和CPU的中间仓库及桥梁，承载着操作系统和应用程序的实时运行。JVM内...

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更新时间 2023-11-15 21:56:27

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