use a prgrm as an example to xplain-: a)class b)object c)message d)cope resolution operator.
A class is an expanded concept of a data structure: instead of holding only data, it can hold both data and functions.
An object is an instantiation of a class. In terms of variables, a class would be the type, and an object would be the variable.
The messages standard facet is used to read individual strings from a message catalog.
The scope resolution operator (::) in C++ is used to define the already declared member functions (in the header file with the .hpp or the .h extension) of a particular class.
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