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Category: OOPS

Difference between IS-A relationship and Has-A relationship.

Difference between IS-A relationship and Has-A relationship.

Difference between IS-A relationship and Has-A relationship. IS-A Relationship It is known as an inheritance The main advantage of IS-A relationship is code reusability. By using extends keyword we can implement IS-A relationship. Whatever method parent has by-default available to the child and hence on the child reference we can call . . . Read more

What is Abstraction?

What is Abstraction?

What is Abstraction? Abstraction is one of the most important principles in object-oriented software engineering and is closely related to several other important concepts, including encapsulation, inheritance, and polymorphism. Hiding internal implementation and just highlight the set of services what we are offering, is the concept of abstraction. Through Bank ATM . . . Read more