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

OOPS Interview Questions

Questions Answers Views Company eMail

Explain polymorphism? What r the types of polymorphism? pls give examples?

HCL,

4 16474

swapping program does not use third variable

TCS,

5 8586

how to find no of instances of an object in .NET?

Infosys,

1 5555

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

IBM, NET,

3 25476

Please tell me the oops concept with detailed answer

EEE,

9 17358

how to swap to variables without using thrid variable in java?

5 8468

what is the usage of clas templates

5 7437

Tell me the scenario,Where we can use interfaces or Abstract class.And What is the difference between interfaces and abstract class?

5 19892

i had specified the access specifier for abstarct class member like (pure virtual function) as private.But it can be accessed by the derived class.How the private member of one class is accessed by other class.if any body face this problem and found the solution plz reply to me.

Syntel,

1 4805

can you explain how to use JavaBean in Project

Infosys, Satyam,

3 6547

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’.

Microsoft, TCS,

2278

write a code for this:trailer recordId contains a value other than 99, then the file must error with the reason ‘Invalid RECORD_ID’(User Defined Exception).

2158

sir i want to know which posting to apply since i am BE CSE.. also want to know what are the rounds there for my interview...Expecting for ur valuable answer....

2 4414

what is virtual destructor

L&T, TCS,

7 12830

Base class has two public data members. How can i derive a new class with one datamember as public and another data member as private?.

2 6316

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Un-Answered Questions { OOPS }

What is polymorphism what are the different types of polymorphism?

1014

What is byval and byref? What are differences between them?

2220

What is difference between polymorphism and inheritance?

1091

What is the difference between inheritance and polymorphism?

1114

c++ program to swap the objects of two different classes

2422

What is data binding in oops?

1099

write a code for this:trailer recordId contains a value other than 99, then the file must error with the reason ‘Invalid RECORD_ID’(User Defined Exception).

2158

Will I be able to get a picture in D drive to the c++ program? If so, help me out?

2198

How long to learn object oriented programming?

1093

What polymorphism means?

1078

What is polymorphism and example?

1050

What is pointer in oop?

1056

What do you mean by variable?

1040

What is the real life example of polymorphism?

1177

What is a function in oop?

1086

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