Transcription: You can include members that are objects of user-defined types in the initializer list of the constructor for a class. Here, objects of the class PFraction are mixed fractions, namely numbers stored as an integer and a fractional part that is a proper fraction. Suppose that n is 5 and d is 3. In the PFraction object k, the whole number will have a value 1 and the part number will have the value 2 of 1. over 3.