Windows下卸载与安装jdk

系统管理员 2024-04-01 11:44 125阅读 0赞

## 一、卸载JDK ##

先找到配置的环境变量，通过路径找到相对应的位置，删除文件，再删除环境里面的

### 1、通过环境找到位置进行删除 ###

![f99fa23b287b406a80246d51c3d33040.png][]

### 2、系统变量下的：（删除） ###

![a1b55f21eae5482ba4b3fda796cff344.png][]

### 3、系统变量下path里面的配置：（删除） ###

![ab52d26eb65d4a379463b6d3e024050f.png][]

## 二、安装JDK ##

### 1、下载jdk ###

jdk安装官网：[Oracle | Cloud Applications and Cloud Platform][Oracle _ Cloud Applications and Cloud Platform]

jdk下载需要账号登录，如果没有的话可以通过我的百度网盘里面进行下载，也可以通过其它方法进行下载；有的话可以直接下载

百度网盘：

链接：https://pan.baidu.com/s/1LQ8rmwqVSVzWI8T-6DqZ7w  
提取码：2001

![2a80bd6cf1c24276b54d3c695206aa3f.png][]

![9c0a84a2d2e849ddb3a27813a7a28cde.png][]

![c744db1c6ed64d709b1df5d8a7d6e6b1.png][]

由于我选择的是jdk8

![deeeae8cd937442cadfae2c3f4425827.png][]

由于本篇文章是Windows下所以下载Windows版本，我的电脑是64位所以选择64位

![a6899e8181e34a2b9451d408290c9ed6.png][]

下载好了

![b536ce6f352848c7b0023824d2d8b112.png][]

### 2、安装jdk ###

点击下载好的进行安装

#### 1、出现这个后点击下一步![3a144b4cd8f64a1a92d516385b9f87f6.png][] ####

#### 2、安装目录可以更改，如果不更改直接下一步就可以了（我的没有更改） ####

![606ba52fd57a4d1082bf41a63e51e64d.png][]

#### 3、正在安装中： ####

![8b9fea80e42442479110f627580ed6a4.png][]

#### 4、安装完成 ####

![e5bfd0bbd0cd48108e154977b2ca9a7a.png][]

#### 5、查看一下安装位置 ####

![1b5022a87d7b4c40bbb3c2350796b9de.png][]

### 5、配置环境 ###

#### 1、先找到环境变量位置 ####

![8a49dbc417354145970d96d28ab4a986.png][]

![c1f8a30cd10144fd80a22b34d078652d.png][]

![43624126b8ff44169ecfd0ad48d77343.png][]

![7fa64e52dea04b57a447e019ad76c3f2.png][]

#### 2、进行配置 ####

![f25fa86ed44548bd8bcd2b038ba5dc5a.png][]

新建之后输入如下图

变量名：JAVA\_HOME

变量值：jdk安装路径

点击确定

![9c1d3ee5f38a4e39a3fce9d26ca03558.png][]

在找到path，点击 编辑

![c708f7ddaaa74db38097a1f3ff341e1c.png][]

![b8e61790ae264c43a576f71800fb553a.png][]

点击新建后 进行编辑 输入 %JAVA\_HOME%\\bin 之后确定

![e0d9dd4a1dbd41858725a623066a7805.png][]

之后确定就可以

### 6、测试是否安装成功 ###

windows+r ，输入 cmd

![2d55bfe0d95e4e8ea9b60fdb5227cbbf.png][]

输入 指令

java -version

![c5a70e031bc7400ab8cb233f3d04caf1.png][]

出现上面这个说明已经安装成功了

**如果有需要安装不同版本的jdk可以继续观看下面这篇文章**

[安装不同版本的jdk，且进行来回切换\_look up starlit sky的博客-CSDN博客][jdk_look up starlit sky_-CSDN]

[f99fa23b287b406a80246d51c3d33040.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/43016fbb3e0749aea2dfc1e561fc33c2.png
[a1b55f21eae5482ba4b3fda796cff344.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/b571ed64bc4249088e557cdcc533dac4.png
[ab52d26eb65d4a379463b6d3e024050f.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/54603104e7f9495a8e70f686f1b9a5da.png
[Oracle _ Cloud Applications and Cloud Platform]: https://www.oracle.com/
[2a80bd6cf1c24276b54d3c695206aa3f.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/b6b4af74b8e34f1cac7d1b43c5865ecc.png
[9c0a84a2d2e849ddb3a27813a7a28cde.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/4db17ea69181487cbcebdba0220d3afe.png
[c744db1c6ed64d709b1df5d8a7d6e6b1.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/828470013286420ea8534ca4fdc5318d.png
[deeeae8cd937442cadfae2c3f4425827.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/c15c449952a54a6fa1731441c919ff6d.png
[a6899e8181e34a2b9451d408290c9ed6.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/c6498edb94754c5d8a590a416c178202.png
[b536ce6f352848c7b0023824d2d8b112.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/71cf33b6c336496cbd1934d0f59c1765.png
[3a144b4cd8f64a1a92d516385b9f87f6.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/d283d8c5b7b24125b1f5c5fdcc602450.png
[606ba52fd57a4d1082bf41a63e51e64d.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/b219e11740274f239ba2e512032d54ce.png
[8b9fea80e42442479110f627580ed6a4.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/7242bde3a0524d81b155d2ee3645ecc9.png
[e5bfd0bbd0cd48108e154977b2ca9a7a.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/c914b2bbd1ca45f28e4a5afcc3540739.png
[1b5022a87d7b4c40bbb3c2350796b9de.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/f61c302048c44f6db16b07126c395231.png
[8a49dbc417354145970d96d28ab4a986.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/08194876693a4a349d431e81a7bc4fc3.png
[c1f8a30cd10144fd80a22b34d078652d.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/7db73f1d248846eda0e4e82903bd3b2c.png
[43624126b8ff44169ecfd0ad48d77343.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/d8aeb855cf0c443099b7152bb402fb89.png
[7fa64e52dea04b57a447e019ad76c3f2.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/b41f968e45584e3284ae0e03a80d2f54.png
[f25fa86ed44548bd8bcd2b038ba5dc5a.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/2f4edb723cf8417aa5f0f66f2fc0d9dc.png
[9c1d3ee5f38a4e39a3fce9d26ca03558.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/b452d54689644e6599fcf43cb58f46c4.png
[c708f7ddaaa74db38097a1f3ff341e1c.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/071b9ab5b72e48ac981a42d871aee2aa.png
[b8e61790ae264c43a576f71800fb553a.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/e221b6c1e05f4466a1f8cfea50c2a166.png
[e0d9dd4a1dbd41858725a623066a7805.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/05f0f5fb8e8a43379031dcdb653938b0.png
[2d55bfe0d95e4e8ea9b60fdb5227cbbf.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/bd77509d82be446dbdd563432c2016d8.png
[c5a70e031bc7400ab8cb233f3d04caf1.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/01/2994e0dbbf124061907da9e8c3fc9fb6.png
[jdk_look up starlit sky_-CSDN]: https://blog.csdn.net/Solitary_dragon/article/details/132037081