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

STL (140)
OOPS (873)
C++ General (2409)

C++ 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

1163

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

1264

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

1197

Un-Answered Questions { C++ }

What is oops in simple words?

1101

What is a multimap c++?

1207

Does c++ support multilevel and multiple inheritances?

1011

Can a function take variable length arguments, if yes, how?

1016

What is a c++ vector?

1057

What is a vector c++?

1179

Can bst contain duplicates?

1196

What are the three forms of cin.get() and what are their differences?

1241

Can I make ios apps with c++?

1053

What is buffer and example?

1013

What is an undefined behavior and sequence points

1012

Write a function to find the nth item from the end of a linked list in a single pass.

983

What are the two types of comments?

1000

What apps are written in c++?

1102

How do you add an element to a set in c++?

998

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