jdk-8u321-linux-x64.tar.gz

配置jdk-8u321-linux-x64.tar.gz

解压：tar -zxvf jdk-8u321-linux-x64.tar.gz

配置：vi /etc/profile

export JAVA_HOME=/data/jdk/jdk1.8.0_321
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}

刷新：source /etc/profile 查看：java -version