Linux CentOS 7.2版 JDK 安装

下载

jdk-8u251-linux-x64.tar.gz

解压

tar -zxvf jdk-8u251-linux-x64.tar.gz

复制

cp -r jdk1.8.0_251 /usr/local/

配置环境变量

vim /etc/profile
#java environment
export JAVA_HOME=/usr/local/jdk1.8.0_251
export CLASSPATH=.:${JAVA_HOME}/jre/lib/rt.jar:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
export PATH=$PATH:${JAVA_HOME}/bin

source /etc/profile