JVM类加载机制模型的相关内容

对 JVM 的类加载机制以及寻找字节码文件的“双亲委派模型”的理解

1、JVM 的类加载机制类加载指的是 Java 进程运行的时候，需要把 .class 文件从硬盘读取到内存，并进行一系列的校验解析的过程。类加载的过程其实就是 .class 字节码文件转成类对象的过程，本质上也是数据从硬盘到内存的过程。类加载大体的过程分为 5 个步骤（也有资料说 3 个，...

【Java虚拟机】JVM类加载机制和双亲委派模型

1.JVM虚拟机类加载子系统（1）什么是类加载子系统是Java虚拟机的一个重要子系统，主要负责将类的字节码加载到JVM内存的方法区，并将其转换为JVM内部的数据结构。（2）类加载器的三大特点双亲委派模型Java虚拟机采用双亲委派模型来加载类，即先从父类加载器中查找类，如果找到了就直接返...

JVM内存区域划分_JVM类加载机制_双亲委派模型_垃圾回收策略GC(JVM)

JVM执行流程我们知道JVM就我们的java虚拟机(Java Virtual Machine)的简称!java执行一个java文件的流程:程序在执行之前先要把java代码转换成字节码（class文件），JVM 首先需要把字节码通过一定的方式类加载器（ClassLoader）把文件加载到内存中运行...

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更新时间 2024-05-10 13:07:15

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