Oracle JDK missing in the "update-alternatives" list

Hi!
I have already installed Oracle JDK by using the .rpm file provided by Oracle, and would like to switch to it instead of using Open JDK.
However, Oracle JDK did not present in the update-alternatives list, so I was not able to select it.
How do I solve this problem?
Thanks!

Screenshot as follows:

http://i.imgur.com/BVboE5B.png

You have to add it to update-alternatives’ list yourself, the Oracle packages do not do that.
See here: SDB:Installing Java - openSUSE Wiki

Then you should be able to select it.

Thanks for your prompt reply.
It is working now.