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

C++ General Interview Questions

Questions Answers Views Company eMail

Difference between Top down and bottom up approaches for a given project ?

BSNL, CSC, HCL, HP, IIT, Infosys, Siemens,

14 112560

What and all can a compiler provides by default?

Accenture, HP,

3 16820

What are the different operators in C++?

HP,

3 14764

What is the difference between method and message?

HP,

5 59012

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 67190

when can we use copy constructor?

HP,

6 17949

Describe functional overloading?

HP,

6 13332

Difference between Overloading and Overriding?

Appnetix Techno, GameLoft, HP, IBM, NIIT, Rohde and Schwarz,

35 207278

Difference between Operator overloading and Functional overloading?

HP,

10 54994

What is virtual constructor paradigm?

HCL, HP,

5 17011

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 28343

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 231508

What is size of null class?

HP,

6 18132

Is structure can be inherited?

HP, ST Micro,

5 17848

How the V-Table mechanism works?

HP,

6 23616

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Un-Answered Questions { C++ General }

What does flush do c++?

1073

What is the best way to declare and define global variables?

1338

What's c++ used for?

1122

Can manipulators fall in love?

1027

What are the differences between java and c++?

1091

What is the purpose of ios::basefield in the following statement?

1271

What is protected inheritance?

1057

Implement stack operations with pointers with appropriate exception checks.

990

Do you know the use of vtable?

1136

What do you mean by static variables?

1186

Write a program to encrypt the data in a way that inputs a four digit number and replace each digit by (the sum of that digit plus 7) modulus 10. Then sweep the first digit with the third, second digit with the fourth and print the encrypted number.

2594

Can a program run without main?

1258

What is ostream in c++?

1019

Is c++ faster than c?

1037

If we want that any wildcard characters in the command line arguments should be appropriately expanded, are we required to make any special provision? If yes, which?

1517

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