What is the member variables list after the colon in a constructor good for?

Question

I\'m reading this C++ open source code and I came to a constructor but I don\'t get it ( basically because I don\'t know C++ :P )

I understand C and Java very well.

Answer 1

The code between the argument list and the {}s specifies the initialization of (some of) the class members.

Initialization as opposed to assignment---they are different things---so these are all calls to constructors.