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 112422

What and all can a compiler provides by default?

Accenture, HP,

3 16779

What are the different operators in C++?

HP,

3 14717

What is the difference between method and message?

HP,

5 58932

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 67012

when can we use copy constructor?

HP,

6 17867

Describe functional overloading?

HP,

6 13258

Difference between Overloading and Overriding?

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

35 206954

Difference between Operator overloading and Functional overloading?

HP,

10 54861

What is virtual constructor paradigm?

HCL, HP,

5 16938

when can we use virtual destructor?

HCL, HP, Virage Logic,

7 28258

What is the difference between Class and Structure?

HP, IBM, Samsung, TCS,

40 231043

What is size of null class?

HP,

6 18070

Is structure can be inherited?

HP, ST Micro,

5 17794

How the V-Table mechanism works?

HP,

6 23555

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Un-Answered Questions { C++ General }

Why is null pointer used?

1167

What do you mean by overhead in c++?

1083

What is the use of endl?

983

What are the implicit member functions of class?

1085

What will the line of code below print out and why?

734

What are proxy objects in c++?

1174

What are the two types of polymorphism?

1128

Can you explicitly call a destructor on a local variable?

1028

What is a Default constructor?

1586

Is c++ a low level language?

963

What is else if syntax?

1159

Difference between inline functions and macros?

1032

How would you use the functions randomize() and random()?

1071

What is the basic difference between C and C++?

1171

When to use “const” reference arguments in a function?

1062

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