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Java虚拟机(JVM)面试题2

常用的 JVM 调优的参数都有哪些？JVM三大性能调优参数-Xms -Xmx -Xss的含义-Xss:规定了每个线程虚拟机栈的大小-Xms:堆的初始值-Xmx:堆能达到的最大值例如-Xms2g：初始化堆大小为 2g；-Xmx2g：堆最大内存为 2g；常用的 JVM 调优的参数：-XX:NewRati...

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Java虚拟机(JVM)面试题1

JVM说一下 JVM 的主要组成部分及其作用？总体来说，方法区和堆是所有线程共享的内存区域；而虚拟机栈、本地方法栈和程序计数器的运行是线程私有的内存区域，运行时数据区域就是我们常说的JVM的内存类加载子系统：根据给定的全限定名类名(如：java.lang.Object)来装载class文件到运行时数...

Java虚拟机（JVM）面试

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Java虚拟机（JVM）面试题备份2

Java内存区域，JVM包含了两个子系统和两个组件，两个子系统为class loader（类装载）、Execution engine（执行引擎）；两个组件为Runtime data area（运行时数据区）、Native interface（本地接口...

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Jvm内存分别有java堆，java虚拟栈，java本地栈，方法区，程序计数器。程序计数器：jvm加载的时候，记录每个线程特地的位子，当前线程的行数指示器，对多线程尤为重要，每个线程都有自己的pc，方便管理上下文的切换。Java堆：java内...

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审核中Java岗位三年经验，最常见JVM十六道面试题！（附答案）

一.jvm内存布局程序计数器：当前线程正在执行的字节码的行号指示器，线程私有，唯一一个没有规定任何内存溢出错误的情况的区域。 Java虚拟机栈：线程私有，描述Java方法执行的内存模型，每个方法运行时都会创建一个栈帧，存放局部变量表、操作数栈、动态链接、方法出口等信息，每个方法的运行到结束对应一个...

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