1、下载
wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.tar.gz
2、解压
tar -zxvf jdk-8u131-linux-x64.tar.gz
mv jdk1.8.0_131 /usr/local/jdk/jdk1.8
3、配置环境变量
vi /etc/profile
export JAVA_HOME=/usr/local/jdk/jdk1.8
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
4、配置生效
source /etc/profile
5、查看java版本
java -version