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

C++ General Interview Questions

Questions Answers Views Company eMail

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

Wipro,

12 63919

What is Virtual Inheritance?

Amazon, Wipro,

7 18891

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

Amazon, TCS, Wipro,

3 14565

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

Wipro,

4 18676

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

Wipro,

4 15230

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

Amazon, Wipro,

8 18940

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

Amazon, Wipro,

7 14368

What are the differences between public, private, and protected access?

IBM, Oracle, Wipro,

12 78042

What is the difference between a copy constructor and an overloaded assignment operator?

Belzabar, Citrix, Microsoft, Wipro,

4 24940

How do you link a C++ program to C functions?

4 17425

Can inline functions have a recursion? Give the reason?

3 9317

How Virtual functions call up is maintained?

2 10462

What is problem with Runtime type identification?

2 9487

What about Virtual Destructor?

Virtusa,

1 7111

What are advantages of C++ when comparing with C?

HP, iGate, TCS,

18 32195

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Un-Answered Questions { C++ General }

Show the declaration for a static member variable.

998

Define the process of error-handling in case of constructor failure?

1016

write a corrected statement in c++ so that the statement will work properly. x = y = z + 3a;

1901

What can c++ be used for?

1101

What is pure virtual function? Or what is abstract class?

1063

True or false, if you keep incrementing a variable, it will become negative a) True b) False c) It depends

2389

Explain deep copy?

1059

Which one between if-else and switch is more efficient?

1076

Where are setjmp and longjmp used in c++?

1124

What is the difference between global int and static int declaration?

1067

What is c++ virtual inheritance?

1138

What are the comments in c++?

989

Is c++ primer good for beginners?

1046

What is extern c++?

1005

Does c++ support exception handling?

1067

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