Object oriented programming is a programming methodology that associates data
structures with a set of operators, which act upon it.
OOP is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an instance of some class and whose classes are all members of a hierarchy of classes united through the property called inheritance.
Depending on the object features supported, the languages are classified into two categories:
• Object-Based Programming Languages
• Object-Oriented Programming Languages
Object-based programming languages support encapsulation object identity without supporting the important features of inheritance, polymorphism and message communications.
Example ADA.
Object-Oriented Programming Language incorporate all the features of object-based programming languages along with inheritance and polymorphism.
The topology of the Object Oriented Programming is shown in Fig 1.4. The modules represent the physical building blocks of these languages; a module is a collection of classes and object.
Object oriented programming is a methodology that allows the association of data structures with operations similar to the way it is perceived in the human mind.
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