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

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

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

2 14895

Difference between realloc() and free?

HP,

9 26432

What is a template?

7 9890

What are the main differences between procedure oriented languages and object oriented languages?

IBM, Infosys, Wipro,

9 22184

What is R T T I ?

Ness Technologies,

6 16555

What are generic functions and generic classes?

5 23016

What is namespace?

15 32159

What is the difference between pass by reference and pass by value?

Pfizer, TCS,

12 41711

Why do we use virtual functions?

4 15726

What do you mean by pure virtual functions?

8 16219

What are virtual classes?

2195

Does c++ support multilevel and multiple inheritance?

IBS, Wipro,

9 17925

What are the advantages of inheritance?

IBS, TCS,

26 98564

When is a memory allocated to a class?

11 30376

What is the difference between declaration and definition?

IBS,

20 51424

Un-Answered Questions { C++ }

what is data abstraction in C++?

1084

What is inheritance in simple words?

1058

What are the 5 oop principles?

1127

What is an interface in oop?

1048

Does a derived class inherit or doesn't inherit?

1093

In C++ what is a vtable and how does it work?

1061

Can a Structure contain a Pointer to itself?

1143

What is the insertion operator and what does it do?

1049

Explain the difference between struct and class in terms of access modifier.

1182

What is the best it certification?

1126

What are c++ templates used for?

1135

What is a flag in c++?

1062

What are the comments in c++?

989

Is deconstructor overloading possible? If yes then explain and if no Then why?

1214

What is general form of pure virtual function? Explain?

1000

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