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 28548

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 232756

What is size of null class?

HP,

6 18351

Is structure can be inherited?

HP, ST Micro,

5 18041

How the V-Table mechanism works?

HP,

6 23790

What is the STL?

Epson, HP,

2 9727

what is a template?

Amazon, BITS, IBS, Wipro,

2 10602

what is an algorithm in terms of STL?

Lucent, Wipro,

1 8915

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

Wipro,

12 64344

What is Virtual Inheritance?

Amazon, Wipro,

7 19218

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

Amazon, TCS, Wipro,

3 14769

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

Wipro,

4 18876

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

Wipro,

4 15485

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

Amazon, Wipro,

8 19255

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

Amazon, Wipro,

7 14687

Un-Answered Questions { C++ }

What are structures and unions?

1070

Write a program to find the Fibonacci series recursively.

1125

How the keyword struct is different from the keyword class in c++?

1093

What do you know about near, far and huge pointer?

1226

What are guid? Why does com need guids?

1121

What are the 3 principles of oop?

1178

Can bst contain duplicates?

1251

What is a linked list in c++?

1115

How do we balance an AVL Tree in C++?

1191

What are the two types of comments?

1053

What is implicit pointer in c++?

1145

What is a buffer c++?

1108

Can static member variables be private?

1245

When one must use recursion function? Mention what happens when recursion functions are declared inline?

1243

If you hear the cpu fan is running and the monitor power is still on, but you did not see anything show up in the monitor screen. What would you do to find out what is going wrong?

1207

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