- 下载jdk.tar.gz
地址:https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html - 上传服务器并解压
tar -zxvf jdk-8u271-linux-x64.tar - 配置环境变量
vim /etc/profile
export JAVA_HOME=/usr/java/jdk1.8.0_271
export CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib
export PATH=$JAVA_HOME/bin:$PATH
source /etc/profile
java -version
javac -version