idea tool for Java development, the project view, the default is the package hierarchy in a concise display, as shown below:
But sometimes, we do not want to use this mode, for example: under a parent package, there is a sub-package, like under a parent package, add a package, but the increase in the child package, the solution is to "Compact when to Middle Packages "option removed, in particular:
Non-Lite display mode:
