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

OOAD Interview Questions

Questions Answers Views Company eMail

What is inheritance?

Protech,

7 13238

Difference between Composition and Aggregation

Protech,

2 23757

Difference: Sequence Diagrams, Collaboration Diagrams ?

Protech,

2 10622

Difference: 'uses', 'extends', 'includes'

Cognizant, Protech, TY, University,

7 41385

Where shall I go for Package Diagram?

Protech,

1 6417

What is Polymorphism?

MindCracker, Protech, TCS,

7 15381

Is class an Object? Is object a class?

InfoAxon Technologies, Protech,

3 8044

Comment: C++ "includes" behavior and java "imports"

Protech,

1 5131

What do you mean by Realization?

Protech,

1 6609

What is a Persistent, Transient Object?

Protech,

2 13134

What is the use of Operator Overloading?

Protech,

1 6955

What are the Design Patterns you know.

InfoAxon Technologies, Protech,

2 6258

Difference: Activity Diagram and Sequence Diagram

Protech,

4 11456

What is association?

Protech, Wipro,

2 6980

How to resolve many to many relationship?

InfoAxon Technologies, Protech, Samsung,

6 36277

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Un-Answered Questions { OOAD }

What is the difference between class inheritance and interface inheritance?

1098

What is the benefit of using inheritance?

1039

Do we require a parameter for constructors?

1012

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

984

What is the main advantage of using inheritance?

1077

Explain about polymorphism?

1078

What are the rules to define a functional interface?

1055

Difference between abstraction and implementation hiding ?

1094

Does a class inherit the constructor of its super class?

950

Is is possible to define our own functional interface?

1053

What are the basic concepts of oop?

1010

what is virtual function and pure virtual function ?

979

Explain what is meant by polymorphism?

1072

A class inherits from 2 interfaces and both the interfaces have the same method name as shown below. How should the class implement the drive method for both car and bus interface?

968

Explain serialization and overriding?

1074

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