文章内容
官方网站：https://www.oracle.com/java/technologies/javase-downloads.html
1、下载JDK
wget https://download.oracle.com/otn-pub/java/jdk/16.0.1+9/7147401fd7354114ac51ef3e1328291f/jdk-16.0.1_linux-x64_bin.rpm?AuthParam=1623159461_69c80a9f6fb63f17c1d3ec6edb4df56b
2、安装JDK
rpm -ivh jdk-16.0.1_linux-x64_bin.rpm
3、配置环境变量
vim /etc/profile
# 末尾追加以下内容
export JAVA_HOME=/usr/java/default
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
4、重新加载环境变量使配置生效
source /etc/profile
5、查看是否安装成功
java -version