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OOAD Interview Questions
Questions Answers Views Company eMail

Why are virtual users created?

Wipro,

997

what is virtual function and pure virtual function ?

Infosys,

917

What are virtual functions, base class pointer, derived class pointer, biding references?

HPCL, Hughes Systique Corporation,

948

What is Abstract method and how different from Virtual Method?

 870

What do you mean by virtual function and virtual classes?

MCN Solutions,

955

What is polymorphism? When is it employed? give an example.

iNautix,

965

What is the best tool for modeling and ORM framework

Infosys,

978

What is Overloading ? Is it similar to overriding ?

MCN Solutions,

948

Explain the use of Vtable and what are the various problems to override the functions?

Ittiam Systems,

896

Does PowerShell support OOPs?

Microsoft,

977

What is data abstraction? what are the three levels of data abstraction with Example?

TCS,

930

Is it possible to override private virtual methods?

Infosys,

927

Give any criteria when you use an abstract class and an interface?

Sans Pareil IT Services,

902

Define Data Abstraction. What is its importance?

Amazon, Infosys,

936

How to make a class accessible as a web service?

BirlaSoft,

909

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Un-Answered Questions { OOAD }

What are the Differentiate between abstraction and encapsulation.

861

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?

921

What are base class, sub class and super class?

999

How many methods are there in the externalizable interface?

968

Can an interface inherit from another interface?

972

What is a pure virtual function?

1457

Can a function be overloaded based on return types?

904

explain dynamic binding

963

Tell me something about abstract classes?

898

Explain the mechanism of composition?

964

What is operator overloading and polymorphism?

985

What are manipulators?

997

Explain what is object oriented programming language?

975

Can you create an instance of an abstract class?

934

What is data encapsulation and what is its significance?

852

For More Un-Answered { OOAD } Questions Click Here