centos7解压配置jdk

1、去官网下载jdk包

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

2、解压

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

3、配置环境变量：vim /etc/profile

export JAVA_HOME=/opt/tools/jdk-17.0.3.1
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin

4、使配置生效

source /etc/profile

5、验证

java -version