doc/笔记/win10安装JDK配置环境变量-jdkforwin10.md

---
title: win10安装JDK配置环境变量
date: 2023-03-20 16:44:32.706
updated: 2023-03-25 19:23:58.287
url: /archives/jdkforwin10
categories: 
- Java
tags: 
- Java
---

# win10安装JDK配置环境变量



![](/upload/2023/03/image-20230320161133825.png)



![](/upload/2023/03/image-20230320161238265.png)



## 安装

保持默认

![](/upload/2023/03/image-20230320161339111.png)

> 可以选择更改安装路径

![](/upload/2023/03/image-20230320161425472.png)



![](/upload/2023/03/image-20230320161543645.png)



![](/upload/2023/03/image-20230320161615811.png)



## 配置环境变量

![](/upload/2023/03/image-20230320161904599.png)



选择高级系统设置



![](/upload/2023/03/image-20230320161951119.png)





![](/upload/2023/03/image-20230320162011650.png)



在系统变量点击新建

![](/upload/2023/03/image-20230320162200546.png)



## JAVA_HOME

`JAVA_HOME`

`C:\Program Files\Java\jdk1.8.0_241`

其实就是jdk安装目录的路径

![](/upload/2023/03/image-20230320162243693.png)



## CLASSPATH

再次新建系统变量

`CLASSPATH`

`.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar`

![](/upload/2023/03/image-20230320162337352.png)





![](/upload/2023/03/image-20230320162406792.png)



## PATH

找到系统变量里的path变量，path里新建

`%JAVA_HOME%\bin`

![](/upload/2023/03/image-20230320162443546.png)

## 测试

cmd窗口分别输入java 、javac、 java -version