阿里云主机在线安装jdk

1.wget https://imcfile.oss-cn-beijing.aliyuncs.com/shizhan/file/liaoshixiong/jdk-8u231-linux-x64.tar.gz
2.cp jdk-8u231-linux-x64.tar.gz /data/jdk-8u231-linux-x64.tar.gz
3.tar zxvf jdk-8u231-linux-x64.tar.gz
4.vim /etc/profile
5.在末尾加上
export JAVA_HOME=/data/jdk1.8.0_231
export CLASSPATH=$JAVA_HOME/lib/
export PATH=$PATH:$JAVA_HOME/bin
export PATH JAVA_HOME CLASSPATH
6.source /etc/profile
7.java -version检验是否安装成功