打开文件:

  vim ~/.bashrc

 末尾添加配置:

export JAVA_HOME=/usr/share/jdk8
export PATH=$JAVA_HOME/bin:$PATH 
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar 

更新:

 source ~/.bashrc            (更新路径)

 

参考:https://www.cnblogs.com/yjd_hycf_space/p/7885099.html

https://blog.csdn.net/qq_35193947/article/details/80321835