Linux 安装 JDK17

下载jdk17包
[root@iZj6cib5pf9r2moxoez22 ~]# wget http://49.232.8.65/jdk/jdk17/jdk-17_linux-x64_bin.tar.gz -P /home/jdk17/

解压
[root@iZj6cib5pf9r2moxoez22 ~]# tar xf /home/jdk17/jdk-17_linux-x64_bin.tar.gz -C /home/jdk17/

编辑配置文件 追加配置
[root@iZj6cib5pf9r2moxoez22 ~]# vim /etc/profile

vim /etc/profile　　#末尾添加如下位置 (注意具体的版本号)
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

刷新配置
[root@iZj6cib5pf9r2moxoez22 ~]# source /etc/profile

查询jdk
[root@iZj6cib5pf9r2moxoez22 ~]# java -version

java version "17.0.1" 2021-10-19 LTS
Java(TM) SE Runtime Environment (build 17.0.1+12-LTS-39)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.1+12-LTS-39, mixed mode, sharing)