When I do a file new in my IntelliJ idea. I see a menu like this one
I want to see classes from Java and Scala on the top. I don't want to uninstall plugins for ruby etc. But these should not be on the top. I mostly code in java and scala and therefore want these classes to be one top.

When I want to create a new Java class, I activate the "Project" view. Then I select the package to which the new class shall belong to. Then press Alt+Insert. This popup menu is shown: