版本:jdk1.8.0_251
https://pannel.oss-cn-hongkong.aliyuncs.com/tools/jdk-8u251-linux-x64.tar.gz
1、下载指定版本jdk压缩包,解压至/usr/local/jdk1.8.0_251
2、vi /etc/profile,添加以下内容:
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
3、保存后执行:
source /etc/profile