一、Oracle官网下载jdk

1、官网地址

https://www.oracle.com/java/technologies/downloads/#java17

2、命令下载

wget https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz

3、解压

tar -zxvf jdk-17_linux-x64_bin.tar.gz

4、配置环境变量

echo ‘export JAVA_HOME=/home/root0/jdk-17.0.11’ | sudo tee -a /etc/profile
echo ‘export PATH=$PATH:$JAVA_HOME/bin’ | sudo tee -a /etc/profile

5、重新加载配置文件

source /etc/profile

6、验证java环境

java -version