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OOPS Interview Questions
Questions Answers Views Company eMail

What are virtual functions?

 2 4916

What is friend function?

Wipro,

12 22797

What is a scope resolution operator?

HP, IBS,

5 16314

What do you mean by inheritance?

IBS,

2033

What is abstraction?

 9 12249

What is polymorphism? Explain with an example.

 48 126611

What is encapsulation?

TCS,

17 19763

What do you mean by binding of data and functions?

 3 9611

What is function overloading and operator overloading?

 4 15890

What is virtual class and friend class?

IBS, Intel, Wipro,

5 34802

What do you mean by inline function?

 6 13873

What do you mean by public, private, protected and friendly?

CA,

3 9847

When is an object created and what is its lifetime?

IBM,

4 16575

What do you mean by multiple inheritance and multilevel inheritance? Differentiate between them.

 2 14258

Difference between realloc() and free?

HP,

9 24893

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Un-Answered Questions { OOPS }

Write a java applet that computes and displays the squares of values between 25 and 1 inclusive and displays them in a TextArea box

2289

What is the main purpose of inheritance law?

960

how to get the oracle certification? send me the answer

1916

What is object in oop?

889

What are the 5 oop principles?

862

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

1813

What is super in oop?

859

What is object and class in oops?

798

Templates mean

1852

What is the problem with multiple inheritance?

846

Get me a number puzzle game-program

1947

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’.

1999

What is abstraction example?

845

Why is abstraction used?

853

What is inheritance in simple words?

828

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