1. 下载安装包

mkdir /home/jdk17
wget <https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz> -P /home/jdk17/
或
wget <http://49.232.8.65/jdk/jdk17/jdk-17_linux-x64_bin.tar.gz> -P /home/jdk17/

2. 解压

tar xf /home/jdk17/jdk-17_linux-x64_bin.tar.gz -C /home/jdk17/

3. 配置环境变量

vim /etc/profile　　#末尾添加如下位置
export JAVA_HOME=/home/jdk17/jdk-17.0.1
export CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar
export PATH=$JAVA_HOME/bin:$PATH

4. 使环境变量生效

source /etc/profile

5. 验证

java
javac
java -version

参考资料

https://www.cnblogs.com/shenyuanhaojie/p/15744357.html