Centos7上JDK17的安装教程

1.进入文件夹 

cd /usr/local

2.创建文件夹

mkdir java

3.下载文件

wget https://download.oracle.com/java/17/archive/jdk-17.0.12_linux-x64_bin.rpm

4.进入java 文件夹

sudo yum -y install ./jdk-17.0.12_linux-x64_bin.rpm

5.配置环境变量

vim /etc/profile

export JAVA_HOME=/usr/java/jdk-17
export CLASSPATH=$JAVA_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$PATH

source /etc/profile