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

OOPS Interview Questions

Questions Answers Views Company eMail

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

HP, Infosys, Thyrocare,

23 70336

what is meant by files?

Infosys,

4 9458

is java purely oop Language?

HCL, Infosys, TCS,

49 54285

What are the OOPS concepts?

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

106 309853

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

5 10118

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

Accenture, L&T,

4 19624

What is Method overloading?

5 9122

Can we call a base class method without creating instance?

6 22519

In which cases you use override and new base?

2 7113

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

4 8526

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

InfoAxon Technologies,

1 10172

polymorphism means?

BFL,

6 12620

Describe the difference between a Thread and a Process?

Siebel Systems,

11 31508

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

Spinsys,

7 22282

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

1 8587

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Un-Answered Questions { OOPS }

What is polymorphism and its types?

836

How is polymorphism achieved?

795

How can you overcome the diamond problem in inheritance?

986

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?

1644

Get me a number puzzle game-program

1962

How Do you Code Composition and Aggregation in C++ ?

24792

What are oops methods?

792

What do you mean by variable?

796

What is the types of inheritance?

841

Why is oop better than procedural?

834

Write a program to implement OOPS concepts such as inheritance, polymorphism, friend function, operator overloading?

4517

What are the two different types of polymorphism?

923

What is object and class in oops?

821

2. Give the different notations for the class.\

1847

What is difference between multiple inheritance and multilevel inheritance?

915

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