Object oriented system development consists of Object Oriented Analysis Object Oriented Information Modeling Object Oriented Design Prototyping and Implementation Testing, Iteration and Documentation Five major elements of Object Model: Abstraction Encapsulation Modularity Hierarchy Inheritance Image Courtesy Codeproject Abstraction Abstraction is one of the fundamental elements of object model. Three types of abstraction are- Entity Abstraction, Virtual machine abstraction, Coincidental abstraction. Encapsulation Encapsulation is the process of compartmentalization the elements of an abstraction that constitutes its structure and behavior and serves to separate the contractual interface of abstraction and its implementation. Modularity Modularization consists of dividing a program into modules which can be compiled separately , but which have connection with other modules. The connections between modules are the assumption which the ...