C++ Classes, Objects, and Methods a class collects data and the methods used to access or change the data Such a collection of data and methods is called an object belonging to the given class Every C++ class consists of members that represent either variables called data members) or functions (called methods or member functions). The member functions of a class are normally used to access or alter the data membersC++ Classes, Objects, and Methods A class collects data and the methods used to access or change the data. Such a collection of data and methods is called an object belonging to the given class. Every C++ class consists of members that represent either variables (called data members) or functions (called methods or member functions). The member functions of a class are normally used to access or alter the data members