centos 安装 配置jdk17

1.下载

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

2.上传到  /usr/local/java

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

4. 配置

vim  /etc/profile

5. 在文件最后添加

JAVA_HOME=/usr/local/java/jdk-17.0.9
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=$JAVA_HOME/jre/lib/ext:$JAVA_HOME/lib/tools.jar
export PATH JAVA_HOME CLASSPATH

6.使配置生效

source /etc/profile

7.测试  

java  

javac