Java JVM_第79页-阿里云

JVM深入学习笔记一：Java 编译器初探

闲来无事想大概看下Java编译器的执行过程一、编译一个文件首先去搞到源代码。从JDK6开始Java代码开源，放到OPENJDK组织中去，所以从这个网站进行下载： http://hg.openjdk.java.net/jdk6/jdk6/langtools/ 下载之后是一个zip包，...

Java虚拟机（JVM）中的内存设置详解

在一些规模稍大的应用中，Java虚拟机（JVM）的内存设置尤为重要，想在项目中取得好的效率，GC（垃圾回收）的设置是第一步。 PermGen space：全称是Permanent Generation space.就是说是永久保存的区域,用于存放Class和Meta信息,Class在被Load的时候...

「大师课」搞定 Java 开发基础

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Java Spring Boot 2.6.0开发实战-1024程序员节创造营公益课

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Java Web开发-Web应用、Tomcat、HTTP请求与响应

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jvm开发笔记3—java虚拟机雏形

作者：王智通一、背景笔者希望通过自己动手编写一个简单的jvm来了解java虚拟机内部的工作细节毕竟hotsopt以及android的dalvik都有几十万行的c代码级别。在前面的2篇开发笔记中已经实现了一个class文件解析器和一个java反汇编器在这基础上 java虚拟机的雏...

jvm开发笔记2—java反汇编器

作者：王智通这两天在class文件解析器的基础上，加上了java反汇编的功能，反汇编器是指令解释器的基础，通过编写反汇编器可以熟悉jvm的指令系统，不过jvm的指令一共有201个，反汇编过程基本就是个体力活。在《java虚拟机规范》中对每一条指令都有了详细的描述，下面说说我是如...

could not open C:/program files/java/jre6/lib/i386/jvm.cfg 问题解决方法

验证JDK是否安装正确输入 java -version 提示： could not open C:/program files/java/jre6/lib/i386/jvm.cfg 解决办法： ...

Java技术专题之JVM你的内存泄露了吗？

一、从一个例子开始　　关于JVM的内存泄露，让我们从下面一个例子开始吧，大家来判断一下如果按照下面这种分配方式，会不会出现内存泄露呢？ 1 import java.util.List; 2 import java.util.Vector; 3 4 public class MemoryTest {...

深入理解JVM内幕：从基本结构到Java 7新特性

转自：http://www.csdn.net/article/2012-12-05/2812509-Java-JVM CSDN首页>软件研发深入理解JVM内幕：从基本结构到Java 7新特性发表于2012-12-05 09:02|6064次阅读| 来源ImportNew|38 条评论| 作...

java.net.SocketException: Unrecognized Windows Sockets error: 0: JVM_Bind 处理方法

今天部署项目过程中tomcat报如下异常： [html] view plaincopyprint? java.net.SocketException: Unrecognized Windows Sockets error: 0: JVM_Bind &...

【Java学习笔记】JVM对类的处理

作者：gnuhpc 出处：http://www.cnblogs.com/gnuhpc/ 1.类的加载加载：查找并加载类的二进制数据。把.class文件的二进制数据读入到内存中，把它存放在运行时数据区的方法区内，然后在堆区中创建一个java.lang.Class对象（这就是类加载的最终产品），用来封...

Java基础知识——SDK、JDK、JRE、JVM、JDT、CDT等之间的区别与联系

相信大多数java初学者被这些概念搞蒙过，它们之间到底有什么区别，又有什么联系呢？下面我将一一解开大家心中的谜团。首先给大家解释一下这些概念： 1 SDK(Software DevelopKit，软件开发工具包) 用于帮助开发人员的提高工作效率。各种不同类型的软件开发，都...

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