md/ubuntu-jdk8.md

下载解压安装包

cd /usr/local

wget https://mirrors.huaweicloud.com/java/jdk/8u202-b08/jdk-8u202-linux-x64.tar.gz

tar -zvxf jdk-8u202-linux-x64.tar.gz

配置环境变量

vim /etc/profile

复制粘贴

export JAVA_HOME=/usr/local/jdk1.8.0_202
export CLASSPATH=$:CLASSPATH:$JAVA_HOME/lib/
export PATH=$PATH:$JAVA_HOME/bin

刷新

source /etc/profile

验证

java -version