### [](https://blog.csdn.net/mambaMentality/article/details/121399637)上传jdk 找到jdk安装包 上传文件`jdk-8u171-linux-x64.tar.gz` 链接：`https://pan.baidu.com/s/15-YQfwaOt0531ClJV4gs6A` 提取码：`0648` ### [](https://blog.csdn.net/mambaMentality/article/details/121399637)解压jdk ```java tar -zxf jdk-8u171-linux-x64.tar.gz ``` 修改文件夹名称 ```java mv jdk1.8.0_171/ jdk8/ ``` 将jdk放到/usr/local下 ```java mv jdk8/ /usr/local/jdk8 ``` ### [](https://blog.csdn.net/mambaMentality/article/details/121399637)配置环境变量 ```java vim /etc/profile ``` 将下面的环境变量写到配置文件最下面 ```java #set java environment JAVA_HOME=/usr/local/jdk8 CLASSPATH=$JAVA_HOME/lib/ PATH=$PATH:$JAVA_HOME/bin export PATH JAVA_HOME CLASSPATH # set mvn export M2_HOME=/data/software/java/maven/apache-maven-3.1.1 #maven地址 export PATH=$PATH:$JAVA_HOME/bin:$M2_HOME/bin ``` ### [](https://blog.csdn.net/mambaMentality/article/details/121399637)重载配置文件(重要) ```java source /etc/profile ``` ### [](https://blog.csdn.net/mambaMentality/article/details/121399637)检查环境变量 ```java java -version ``` 本文转自 [https://blog.csdn.net/mambaMentality/article/details/121399637](https://blog.csdn.net/mambaMentality/article/details/121399637)，如有侵权，请联系删除。
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