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

1152

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

1132

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

1215

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

1150

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

1071

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

1027

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

1078

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

1125

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

1114

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

1130

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

1131

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

1171

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

1272

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

1322

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

1258

Un-Answered Questions { C++ }

What are proxy objects in c++?

1243

What is multilevel inheritance explain with example?

1218

Why Pointers are not used in C++?

1132

What does namespace mean in c++?

1149

What are the two types of comments, and how do they differ?

1223

Is string data type in c++?

1091

What are mutator methods in c++?

1208

Why use of template is better than a base class?

1261

What is polymorphism and example?

1102

How do you instruct your compiler to print the contents of the intermediate file showing the effects of the preprocessor?

1217

Define a pdb file.

1135

What is persistence in oop?

1215

Get me a number puzzle game-program

2322

When does a name clash occur in c++?

1217

Explain shallow copy?

1116

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