(1) OOP pays more importance to data rather than function.
(2) Programs are divided into classes and their member functions.
(3) OOP follows a bottom-up approach.
(4) New data items and functions can be comfortably added whenever essential.
(5) Data is private and prevented from accessing external functions.
(6) Objects communicate with each other through functions.
Data variables
Object AObject BObject C
Member functionMember functionMember function
Member functionMember functionMember function
Data variablesData variables
Data variablesData variablesData variables
Fig. 1.7 Relation between data and member function in OOP
1.8 KEY CONCEPTS ...
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