To check the current installation of java
$ rpm -qa | grep jre
$ rpm -qa | grep jdk
$ rpm -qa | grep openjdk
To remove the java installs
$ yum erase jre jdk openjdk
To check the current installation of java
$ rpm -qa | grep jre
$ rpm -qa | grep jdk
$ rpm -qa | grep openjdk
To remove the java installs
$ yum erase jre jdk openjdk
