Introduction As a lot of articles and programs require to have Java installed, this article will guide you through the process of installing and managing different versions of Java.   Installing default JRE/JDK This is the recommended and easiest opt…

Oracle JAVA 8 Stable release has been released on Mar,18 2014 and available to download and install. Oracle Java PPA for Debian systems is being maintained by Webupd8 Team. JAVA 8 is released with many of new features and security updates, read more…

What’s new in Sun/Oracle Java 7 VM Compressed 64-bit object pointers Garbage-First GC (G1) JSR 292: VM support for non-Java languages (InvokeDynamic) Lang JSR 294: Language and VM support for modular programming JSR 308: Annotations on Java types JSR…

重温一下 JAVA(JDK,JRE)更改目录安装及环境变量配置 https://jingyan.baidu.com/article/e2284b2b5b7ae5e2e7118d11.html 备注:随笔中内容来源于网上资料整理,仅供参考.…

Introduction Java and the JVM (Java's virtual machine) are widely used and required for many kinds of software. This article will guide you through the process of installing and managing different versions of Java using apt-get.   Prerequisites To fo…

一. 查看java jdk安装路径和设置环境变量 windows: set java_home:查看JDK安装路径 java -version:查看JDK版本 linux: whereis java which java (java执行路径) echo $JAVA_HOME echo $PATH /usr/lib/jvm/ 二:下面是配置linux的环境变量:(记得source .bash_profile) . 修改/etc/profile文件 (全局所有用户) vi 此文件/etc/profi…

安装默认版本 sudo apt install default-jdk Java 8 sudo apt install openjdk-8-jdk 如果我们在服务器上安装了多个Java版本,我们可以使用update-alternatives系统更改默认版本: sudo update-alternatives --config java…

Java11新特性: https://www.cnblogs.com/eric-shao/p/10025180.html java的一些基本概念——java11.jdk.jre.jvm: https://www.cnblogs.com/feipeng8848/p/10281056.html Java 11 Tutorial: https://www.cnblogs.com/lsgxeva/p/10194281.html Java8からJava11への変更点: https://qiita.com/…

Linux安装JDK完整步骤 1.检查一下系统中的jdk版本 [root@localhost software]# java -version 显示: openjdk version "1.8.0_102" OpenJDK Runtime Environment (build 1.8.0_102-b14) OpenJDK 64-Bit Server VM (build 25.102-b14, mixed mode) 2.检测jdk安装包 [root@localhost software…

转载:http://blog.csdn.net/wym19830218/article/details/5399401 JDK里面的工具也是用JAVA编写的,它们本身运行的时候也需要一套JRE,如C:/Program Files/Java/jdk1.5.x/目录下的JRE.而C:/Program Files/Java/目录下的JRE是用来执行我们自己编写的JAVA程序.当然,两套JRE中的任何一套都可以用来执行我们自己编写的JAVA程序, 但是JDK里面的工具只能由C:/Program File…