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Java 8 安装和环境配置

 2 years ago
source link: https://segmentfault.com/a/1190000040854086
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Java 8 开发环境配置

一、下载 JDK

下载地址：https://www.oracle.com/java/technologies/downloads/#java8-windows

点击对应的版本下载，然后安装。我的安装目录是：C:\Program Files\Java

二、配置环境变量

打开电脑的环境变量

1、新建两个环境变量

  • 变量名：JAVA_HOME
    变量值：C:\Program Files\Java\jdk1.8.0_311 // 填写jdk安装目录
  • 变量名：CLASSPATH
    变量值：.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;

2、在环境变量Path中添加变量
添加两条变量值：%JAVA_HOME%\bin 和 %JAVA_HOME%\jre\bin

三、检测是否安装成功

打开cmd，并输入指令： java -version，显示出版本即为安装成功


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