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 112982

What and all can a compiler provides by default?

Accenture, HP,

3 16923

What are the different operators in C++?

HP,

3 14851

What is the difference between method and message?

HP,

5 59246

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 67570

when can we use copy constructor?

HP,

6 18142

Describe functional overloading?

HP,

6 13486

Difference between Overloading and Overriding?

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

35 208191

Difference between Operator overloading and Functional overloading?

HP,

10 55373

What is virtual constructor paradigm?

HCL, HP,

5 17175

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 28519

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 232559

What is size of null class?

HP,

6 18318

Is structure can be inherited?

HP, ST Micro,

5 17998

How the V-Table mechanism works?

HP,

6 23757

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Un-Answered Questions { C++ General }

Why is c++ still best?

1024

Assume studentNames and studentIDs are two parallel arrays of size N that hold student data. Write a pseudocode algorithm that sorts studentIDs array in ascending ID number order such that the two arrays remain parallel.

2267

What is a tree in c++?

1019

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

1084

How do you decide which integer type to use?

1048

What are the new features that iso/ansi c++ has added to original c++ specifications?

1205

What is the header file for setw?

1192

What is buffer and example?

1085

What is a .h file c++?

1094

Who made c++?

1133

Can you please explain the difference between overloading and overriding?

1147

What is using namespace std in c++?

1206

What return value must conversion operators have in their declaration?

1135

Explain one method to process an entire string as one unit?

1660

What is the advantage of c++ over c?

1085

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