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

C++ General Interview Questions

Questions Answers Views Company eMail

Evaulate: 22%5 a) 2 b) 4 c) 0

1035

What data structure is fastest, on average, for retrieving data: a) Binary Tree b) Hash Table c) Stack

1023

What function initalizes variables in a class: a) Destructor b) Constitutor c) Constructor

1101

Is C++ case sensitive a) False b) Depends on implementation c) True

1016

What is the equivalent of Pascal's Real a) unsigned int b) float c) char

971

What doescout<<(0==0) print out a) 0 b) 1 c) Compiler error: Lvalue required

929

If all is successful, what should main return a) 0 b) 1 c) void

971

C is to C++ as 1 is to a) What the heck b) 2 c) 10

1005

Which sort is best for the set: 1 2 3 5 4 a) Quick Sort b) Bubble Sort c) Merge Sort

1006

What does the following code do: int c=0; cout< a) Undefined *Updated* b) 01 c) 00

1013

What is the maximum value of a unsigned char a) 255 b) 256 c) 128

1022

In int main(int argc, char *argv[]) what is argv[0] a) The first argument passed into the program b) The program name c) You can't define main like that

1033

In which header file does one find isalpha() a) conio.h b) stdio.h c) ctype.h

1158

Which is not a valid keyword a) public b) protected c) guarded

1192

What is the correct syntax for inheritance a) class aclass : public superclass b) class aclass inherit superclass c) class aclass <-superclass

1129

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Un-Answered Questions { C++ General }

If I is an integer variable, which is faster ++i or i++?

1013

What is meaning of in c++?

1149

Difference between pass by value and pass by reference?

1084

Differentiate between the message and method in c++?

1006

Is multimap sorted c++?

952

How do you clear a map in c++?

1064

What is long in c++?

1197

Define a constructor - what it is and how it might be called (2 methods)?

1062

What is #include iomanip?

950

What is a manipulative person?

943

Describe the advantage of an external iterator.

981

What are pointer-to-members in C++? Give their syntax.

1081

What are the four partitions in which c++ compiler divides the ram?

1167

Is set c++?

953

How do you differentiate between overloading the prefix and postfix increments?

1040

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