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

OOAD Interview Questions

Questions Answers Views Company eMail

Is iterator a class or interface? What is its use?

891

How many methods are there in the serializable interface?

909

How to define an interface?

946

What is the abstract method modifier?

966

What is meant by “abstract interface”?

974

Explain the abstract class modifier?

831

How to define an abstract class?

964

Can an interface have an inner class?

983

How does abstraction differ from encapsulation.

943

What is function override?

1017

What is single and multiple inheritance?

946

Explain what is single and multiple inheritance?

934

What is meant by overloading functions and operators?

979

What is abstraction? How does it differ from encapsulation

922

Explain what is polymorphism?

1014

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Un-Answered Questions { OOAD }

What are a base class, subclass, and superclass?

947

What is multiple inheritance? How java 8 supports multiple inheritance?

1023

What are the Differentiate between abstraction and encapsulation.

846

What do you mean by abstract class?

1007

How does abstraction differ from encapsulation.

943

what three "domains" are considered during analysis modeling?

6844

Define Initialisation Purpose.

953

What is the diffrence between an abstract class and interface?

1010

What are the types of polymorphism?

922

Write basic concepts of oops?

949

Define modularity?

1013

What are the basic concepts of oop?

952

What is a static method? Why do we need static methods in java 8 interfaces?

1126

What are the different types of inheritance?

898

What is data encapsulation and what's its significance?

1001

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