OOAD Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

OOAD Interview Questions

Questions Answers Views Company eMail

Why use oops?

907

Differentiate between data abstraction and encapsulation.

970

What is hybrid inheritance?

981

What is garbage collection(gc)?

977

What is a try/ catch block?

978

What is the use of ‘finalize’?

1006

Can you call the base class method without creating an instance?

1087

What is the difference between public, private and protected access modifiers?

1037

What is a final variable?

1018

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Un-Answered Questions { OOAD }

What is the diffrence between an abstract class and interface?

1051

What is the practical implementation of inner classes?

976

How will you define abstract classes?

1013

Can we access interface static method using interface references?

1059

Explain the term constructor

1035

What is ‘this’ pointer?

989

Which oops concept is used as reuse mechanism?

3520

What is meant by inheritance? what are the advantages of inheritance?

1044

How to define an interface?

988

Which oops concept exposes only necessary information to the calling functions?

1001

What is a nested interface?

1038

What are abstract methods?

991

Can we override a method by using same method name and arguments but different return types?

933

What are the limitations of inheritance?

975

What is operator overloading?

1361

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