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

OOAD Interview Questions

Questions Answers Views Company eMail

Differentiate between an abstract class and an interface?

997

What is a subclass?

1052

What is the difference between an error and an exception?

1091

Differentiate between a class and a method.

1111

Explain the different types of constructors

946

What is the difference between a class and a structure?

995

What are the limitations of oops?

1023

What is the difference between multiple and multilevel inheritance?

1023

What is static polymorphism?

1145

What are the limitations of inheritance?

988

What are the main features of oops?

1106

How to achieve data abstraction?

974

What are the different types of inheritance?

957

What is the difference between a class and an object?

1 1461

Differentiate between overloading and overriding.

1123

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Un-Answered Questions { OOAD }

What is a friend function?

1003

What is Polymorphism, overloading, overriding and virtual?

1104

What is the need of multiple inheritance?

1071

What's the order of call of constructors in inheritiance?

985

Explain about Overloading vs Overriding ?

990

Can we reduce the visibility of the inherited or overridden method ?

1041

Difference between abstraction and implementation hiding ?

1101

Explain the mechanism of composition?

1048

How many instances can be created for an abstract class?

960

Can you give some examples of tokens?

1075

Explain about object oriented programming?

1026

What is bootstrap, extension and system class loader? Or can you explain primordial class loader?

1007

Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?

1164

Why dynamic loading is used in object-oriented programming?

1008

Explain about abstraction?

1079

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