javajdk环境变量配置

win10下java的jdk安装和环境变量配置

首先需要去JAVA官网下载jdk http://www.oracle.com/technetwork/java/javase/downloads/jdk9-downloads-3848520.html 下载的是jdk 9 与以往的环境配置不一样 jdk是java的核心是java软件的开发工具箱 jdk是开发环境主要有开发工具 jdk安装...

Java-Win10下JDK10.0.2版本环境变量配置

直接双击安装就可以了，这里有一个发现，就是安装完成后在JDK的lib文件夹下找不到熟悉的tools.jar，之前安装8以前版本的时候都有这个，后面的环境变量配置会有不同。配置环境变量重点来了，经过我多次测试，环境变量按如下配置即可 JDK8及...

Java配置-JDK开发环境搭建及环境变量配置

【正文】1、安装JDK开发环境下载网站：...见下图：注：若在CMD中输入javac test.java命令后，显示'javac'不是内部或外部命令，原因是因为没有提前安装好JDK开发环境或环境变量配置有误。关联源码：源码位置：D:\java\jdk1.8.0_20\src.zip

【java】JDK安装后，没有配置环境变量，也可以java-version查看到版本信息

JDK安装后，没有配置环境变量，也可以java-version查看到版本信息原因是:jdk安装过程，java、javaw、javaws三个命令被复制到C:\windows\system32目录下 ...但为了保险起见，还是把环境变量配置为好配置完成之后，你查看javac就发现正常了。

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