Closed User Group (CUG)
CUG is an extra service provided by network providers to mobile subscribers for communication within groups. This service includes calls and SMS
Behavioral Driven Development (BDD) is an approach to building software. It helps to start your writing process with a brainstorm or an outline so that you always have an idea where you are headed. It’s like creating a plan before you write your program.
There are a lot of keyboards shortcuts provided for use in the Android Studio which works in almost the same way as any of the other IntelliJ IDEs you may already be using (e.g. PhpStorm, Android Studio, IntelliJ etc.)