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 75927

what is meant by files?

Infosys,

4 10646

is java purely oop Language?

HCL, Infosys, TCS,

49 61305

What are the OOPS concepts?

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

106 323382

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

5 11390

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

Accenture, L&T,

4 20704

What is Method overloading?

5 10286

Can we call a base class method without creating instance?

6 23869

In which cases you use override and new base?

2 7808

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

4 9498

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

InfoAxon Technologies,

1 10750

polymorphism means?

BFL,

6 13940

Describe the difference between a Thread and a Process?

Siebel Systems,

11 33615

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

Spinsys,

7 23685

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

1 9291

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Un-Answered Questions { OOPS }

what is the sylabus for priliminaries?

2181

what are the ways in which a constructors can be called?

2140

What is the real time example of inheritance?

1155

What exactly is polymorphism?

1138

Which is not an object oriented programming language?

1002

What is persistence in oop?

1152

What is encapsulation selenium?

1020

can we make game by using c

4153

What is an advantage of polymorphism?

1097

Explain the advantages of inheritance.

1151

What are the data types in oop?

1110

What are benefits of oop?

1138

How do you achieve polymorphism?

1087

What is the point of polymorphism?

1038

write a code for this. serial_number contained in the header of the file will be read , if this serial number is less than a previous serial number within a successfully processed file, or is the same as another serial number within a successfully processed file, or if the field contains anything other than 7 digits, then the file must error with the reason ‘Invalid SERIAL_NUMBER’.

2285

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