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

1095

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

1083

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

1162

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

1084

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

1021

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

970

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

1016

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

1057

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

1059

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

1072

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

1073

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

1096

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

1211

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

1263

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

1194

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Un-Answered Questions { C++ General }

What is the purpose of the "delete" operator?

1065

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

1021

What does it mean to declare a member variable as static?

1059

When there is a global variable and local variable with the same name, how will you access the global variable?

1101

What is else syntax in c++?

1210

Is python better than c++?

1032

If a round rectangle has straight edges and rounded corners, your roundrect class inherits both from rectangle and from circle, and they in turn both inherit from shape, how many shapes are created when you create a roundrect?

1103

Mention the storage classes in c++.

1081

What is the best free c++ compiler for windows?

1112

Explain how to initialize a const member data.

1033

What is constant in c++ with example?

1148

How does a C++ structure differ from a C++ class?

1123

Is swift faster than c++?

1024

What does scope resolution operator do?

1116

List the advantages of inheritance.

1134

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