redhat linux 6.3 uninstall default openJdk install oracel jdk1.7

 

1 Log in to linux to view the default jdk: rpm -qa | grep openjdk

2 Uninstall: rpm -e --nodeps package name

3 The newly downloaded jdk is tested on linux and executed:

    3.1  chmod  u+x  jdk-7u75-linux-x64.rpm

    3.2  rpm -ivh jdk-7u75-linux-x64.rpm