Nagapratap

• Jun 7th, 2006

 

Inheritance is a class extending another class. Abstraction is an inteface implementing another interface, so that a class implementing the interface A whch implements interface B should provide the implementation for all the methods in interface A and interface B

bhupendra.atre

 Profile Answers by bhupendra.atre 

• Jul 16th, 2007

 

Inheritence is inclusion of behaviour and/or state in the derived class.

Aggregation is an association in which one class belongs to a collection. This is part of whole relationship where a part can exist without a whole. This is also called weaker relationship.
Aggregation is usually compared to composition which is a stronger relationship. This is part of whole relationship where a part cannot exist without whole.

navneetgoyal2000

 Profile Answers by navneetgoyal2000 Questions by navneetgoyal2000

• Jan 5th, 2011

 

If we have to explain it with example, then Inheritance (IS A or TYPE OF) & Aggregation (HAS A) can be understood as:

a CAR IS A (an) Automobile.   (Inheritance: Car inherits its properties from Automobile)

While

a CAR HAS A (an) engine. (Aggregation: Car Class has an Object of engine class)

vinaymudgil007

 Profile Answers by vinaymudgil007 

• Mar 21st, 2011

 

Inheritence means --> "is-a" relationship
e.g. HONDA CITY  is-a  CAR

Aggregation means --> "has-a" relationship
HONDA CITY  has-a  engine


Hope this makes it clear !!!