Can't rename packages in Intellij idea

Question

I want to create some folder structure in Intellij IDEA IDE. But, when I am trying to create some folder in other folder, root folder renaming.

For example: There is a folder src/test/java. I want to create folder com/tests. com folder renaming to com.tests.

Why is it happening?

Answer 1

This is how IntelliJ IDEA displays packages a per default.

To change it:

In your Project Browser, click the Settings Button and deselect Compact empty Middle Packages.

Screenshot:

Answer 2

To complete jörn-buitink's answer

There's a little gear on top of Project tab. If you press on that gear you will see Compact Empty Middle Packges button. That's the one you want to deselect