yum list java* yum install -y java-1.8.0-openjdk java -version
rpm -qa | grep java rpm -e --nodeps java-1.8.0-openjdk-1.8.0.332.b09-1.el7_9.x86_64 rpm -e --nodeps java-1.8.0-openjdk-headless-1.8.0.332.b09-1.el7_9.x86_64
参考链接
https://blog.csdn.net/weixin_41394654/article/details/123442460
