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OOPS Interview Questions
Questions Answers Views Company eMail

What is OOPS and How it is different from Procedural Programming ?

HP, Infosys, Thyrocare,

23 65698

what is meant by files?

Infosys,

4 8573

is java purely oop Language?

HCL, Infosys, TCS,

49 47962

What are the OOPS concepts?

A1 Technology, Bajaj, CTS, EDS, HP, Infosys, Intel, Microsoft, MNC, Persistent, PlanetSoft, ProConstructor, TCS, Virtusa, Wipro, YSoft Solutions,

106 297750

What is Object and Class? What are the differences between them?

 5 9115

What is Inheritance, Multiple Inheritance, Shared and Repeatable Inheritance?

Accenture, L&T,

4 18549

What is Method overloading?

 5 8137

Can we call a base class method without creating instance?

 6 21164

In which cases you use override and new base?

 2 6482

You have one base class virtual function how will call that function from derived class?

 4 7683

In which Scenario you will go for Interface or Abstract Class?

InfoAxon Technologies,

1 9719

polymorphism means?

BFL,

6 11635

Describe the difference between a Thread and a Process?

Siebel Systems,

11 29103

Describe what an Interface is and how it?s different from a Class.

Spinsys,

7 20786

What is the difference between XML Web Services using ASMX and .NET Remoting using SOAP?

 1 7831

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Un-Answered Questions { OOPS }

What is inheritance write a program to show use of inheritance?

603

What are the 3 pillars of oop?

607

How do you achieve runtime polymorphism?

560

What is class in oop with example?

608

What is class and object with example?

578




They started with the brief introduction followed by few basic C++ questions on polumorphism, inheritance and then virtual functions. What is polymorphims? How you will access polymorphic functions in C? How virtual function mechanism works?

1399

Why is object oriented programming so hard?

605

What is basic concept of oop?

689

What are oops methods?

558

write a program that takes input in digits and display the result in words from 1 to 1000

1976

String = "C++ is an object oriented programming language.An imp feature of oops is classes and objects".Write a pgm to count the repeated words from this scenario?

1932

What is abstraction oop?

612

What is multilevel inheritance?

713

What do you mean by abstraction?

603

Why do we need polymorphism in c#?

672

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