一.备份安装好的绿色版JDK
a.重新安装JDK到任意目录,假设这个目录是C:\java。 b.将装好的JDK,JRE拷贝到任意一个其他目录,如D:\bak,这样做的目的主要是为了备份JDK。(建议打成zip压缩包奔备用)
![](https://www.codeprj.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.png) 二.彻底卸载JDK
1.第一步,首先卸载或删除JDK:
三种方式:
(1)用控制面板卸载
(2)安全类软件(360等)自带的软件卸载工具的功能卸载
(3)直接删除jDK文件夹(我的默认的是:C:\Program Files (x86)\Java)(我喜欢的方式,简单粗暴,推荐)
2.第二步,删除注册表:
按Windows键+R 输入"regedit"打开注册表编辑器
找到HKEY_LOCAL_MACHINE/SOFTWARE/JavaSoft
将JavaSoft文件夹及其子目录全部删除。
3.第三步,删除环境变量(删除两个,编辑一个)
计算机→属性→高级系统设置→高级→环境变量
(1)找到系统变量→删除 JAVA_HOME 变量 。
(2)找到系统变量→删除 CLASSPATH 变量
(3)找到系统变量→寻找 Path 变量→编辑
删除里面的 %JAVA_HOME%\bin; 和 %JAVA_HOME%\jre\bin;(只删除这两个,切记)
4.第四步,
(重要)将C盘中Windows\System32和Windows\SysWOW64文件夹下的java.exe, javaw.exe 和 javaws.exe文件删掉.
(安装jdk时默认将这三个文件复制到这两个目录)
5.最后一步:测试
打开命令提示符输入 java 按回车
出现"java不是内部或外部命令,也不是可运行的程序 或批处理文件。"完全卸载JDK成功.如图
![](https://www.codeprj.com/image/aHR0cHM6Ly9pbWFnZXMyMDE1LmNuYmxvZ3MuY29tL2Jsb2cvODcwNzkyLzIwMTYwMy84NzA3OTItMjAxNjAzMTkyMDMzMDA1NTMtMTg5ODU1MTk2Ny5qcGc=.png)
三.重新配置环境变量(三个):
计算机→属性→高级系统设置→高级→环境变量
1.系统变量→新建 JAVA_HOME 变量 。
变量值填写,备份好的绿色版JDK的存放目录,即jdk的安装目录(本人是 E:\Java\jdk1.7.0)
![](https://www.codeprj.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.png)
2.系统变量→寻找 Path 变量→编辑
在变量值最后输入%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;
(注意原来Path的变量值末尾有没有;号,如果没有,先输入;号再输入上面的代码)
![](https://www.codeprj.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.png)
3.系统变量→新建 CLASSPATH 变量
变量值填写 .;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar(注意最前面有一点)
![](https://www.codeprj.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.png)
4.到此系统变量配置完毕
5.检验是否配置成功 按Windows键+R 输入 cmd 打开命令提示符 输入 java -version (java 和 -version 之间有空格)
若如图所示 显示版本信息 则说明安装和配置成功。
![](https://www.codeprj.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.png)
这时,你就拥有了与注册表无关的JDK了,可以随意移动位置,移动以后只要修改 JAVA_HOME为移动以后的路径就可以了。
推荐引文:链接1 链接2 |