centos安装jdk

https://www.oracle.com/java/technologies/downloads/archive/

#设置jdk环境变量
# 安装目录
export JAVA_HOME=/usr/local/src/jdk1.8.0_133

export JRE_HOME=${JAVA_HOME}/jre

export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH

export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin

export PATH=$PATH:${JAVA_PATH}

source /etc/profile

java -version