Centos7安装JDK

下载JDK压缩包jdk-9.0.4_linux-x64_bin.tar

上传解压到/usr/local/java目录

配置环境变量

vi /etc/profile

## FOR JAVA ##

export JAVA_HOME=/usr/local/java/jdk-9.0.4/

export CLASSPATH=.:${JAVA_HOME}/lib

export PATH=${JAVA_HOME}/bin:$PATH

source /etc/profile