State TRUE o r FALSE of the following. Support your answer with

proper reasoning:

(a) An object-oriented program that does not use the inheritance

mechanism in the class definitions, cannot display dynamic binding.

(b) The inheritance mechanism can be thought of as providing feature

abstraction.

(c) A state chart diagram is useful for describing behaviour that involves

multiple objects cooperating with each other to achieve some

behaviour.

(d) The implementation of a use case in terms of specific method calls is

depicted in a sequence diagram.

(e) The terms method and operation are equivalent concepts and can be

used interchangeably.

(f) The effort to test and debug an object-oriented program can be

reduced by reducing the number of message exchanges among

objects.