OOPs stands for Object oriented Programming. Previously we used to
follow the procedural programming paradigm while developing the software
which makes it hard to add the new functionality at the maintenance
phases. Even it was harder to test the module in the procedurally developed
code because the coded modules were so tightly coupled. Even there was not
even any chance to reuse the existing modules to decrease the coding efforts.
Then there came the concept of the
Object Oriented Programming which was totally based on the real life entities and scenerios. OOPs enables to program the real world objects and easily play with them in our application development scenerios. OOPs focuses on the relevant data of the real world object and forces to concentrate on the various functionalities effecting the states of the data.
OOPs revolve around the four concepts:
In OOPs, these concepts are implemented through a class definition and achieved through the object creation process, programmatically.
Read more at :
Recommend the tutorial