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

C++ General Interview Questions

Questions Answers Views Company eMail

When should we use container classes instead of arrays?

1059

Explain the use of vtable.

1132

What is the iunknown interface?

1182

Explain how we implement exception handling in c++?

1106

What are the restrictions apply to constructors and destructors?

1120

What is null pointer and void pointer and what is their use?

1149

What is overloading unary operator?

1132

Explain the uses of static class data?

1159

Difference between overloading vs. Overriding

1138

What is null pointer and void pointer?

1122

What is a base class?

1177

Difference between an inspector and a mutator

1387

Describe delete operator?

1146

How do we implement inheritance in c++?

1176

What are guid? Why does com need guids?

1113

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Un-Answered Questions { C++ General }

Describe the advantage of an external iterator.

1082

Keyword mean in declaration?

1119

Is overriding possible in c++?

1065

Comment on local and global scope of a variable.

1211

What is the main purpose of overloading operators?

1207

what is oops and list its features in c++?

1110

Would you rather wait for quicksort, linear search, or bubble sort on a 200000 element array? (Or go to lunch...) a) Quicksort b) Linear Search c) Bubble Sort

1108

How would you implement a substr() function that extracts a sub string from a given string?

1104

Can c++ be faster than c?

1079

What are abstract data types in c++?

1037

Why is c++ still popular?

1097

What is a local variable?

1131

Define stacks. Provide an example where they are useful.

1073

What is buffering in c++?

1102

What are the characteristics of friend functions?

1073

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