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

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 28314

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 231336

What is size of null class?

HP,

6 18107

Is structure can be inherited?

HP, ST Micro,

5 17830

How the V-Table mechanism works?

HP,

6 23586

What is the STL?

Epson, HP,

2 9595

what is a template?

Amazon, BITS, IBS, Wipro,

2 10459

what is an algorithm in terms of STL?

Lucent, Wipro,

1 8802

What is the difference between public, private, protected inheritance?

Wipro,

12 63917

What is Virtual Inheritance?

Amazon, Wipro,

7 18888

What is the difference between operator new and the new operator?

Amazon, TCS, Wipro,

3 14560

What happens if an exception is throws from an, object's constructor and object's destructor?

Wipro,

4 18675

What is the difference between Pointer and a Reference? When you would use them?

Wipro,

4 15226

What are the differences between a struct in C and in C++?

Amazon, Wipro,

8 18939

What are the differences between a struct and a class in C++?

Amazon, Wipro,

7 14366

Un-Answered Questions { C++ }

What happens when the extern "c" char func (char*,waste) executes?

1089

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2091

What are virtual functions in c++?

1185

Explain the operator overloading feature in C++ ?

1029

What do you mean by volatile and mutable keywords used in c++?

988

What is a block in c++?

1052

Why do we use classes in programming?

1037

Explain deep copy and a shallow copy?

1067

How can we access protected and private members of a class?

1120

How do you use inheritance in unity?

1081

What do you mean by function overriding & function overloading in c++?

1188

By using c++ with an example describe linked list?

1031

What are mutator methods in c++?

1166

Will c++ be replaced?

1046

Write a C++ program without using any loop (if, for, while etc) to print prime numbers from 1 to 100 and 100 to 1 (Do not use 200 print statements!!!)

2107

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