CentOS安装jdk/maven

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

tar -zxf jdk-8u171-linux-x64.tar.gz

修改文件夹名称

mv jdk1.8.0_171/ jdk8/

将jdk放到/usr/local下

mv jdk8/ /usr/local/jdk8

https://blog.csdn.net/mambaMentality/article/details/121399637 配置环境变量

vim /etc/profile

将下面的环境变量写到配置文件最下面

#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)

source /etc/profile

https://blog.csdn.net/mambaMentality/article/details/121399637 检查环境变量

java -version

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