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

C++ General Interview Questions

Questions Answers Views Company eMail

What does the following do: for(;;) ; a) Illegal b) Loops forever c) Ignored by compiler...not illegal

1179

Of the numbers 12 23 9 28 which would be at the top of a properly implemented maxheap a) 28 b) 9 c) Any of them could be

1419

What are pointers, when declared, intialized to a) NULL b) Newly allocated memory c) Nothing. Its random

1136

What is the last index number in an array of 100 characters a) 100 b) 99 c) 101

1154

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

1049

What do nonglobal variables default to a) auto b) register c) static

1157

Which header file allows file i/o with streams a) fileio.h b) iostream.h c) fstream.h

1135

What is the outcome of cout< a) 16 b) 17 c) 16.5

1019

What will strcmp("Astring", "Astring"); return a) A positive value b) A negative value c) Zero

1103

Evaluate !(1&&1||1&&0) a) Error b) False c) True

1210

What header file is needed for exit(); a) stdlib.h b) conio.h c) dos.h

1056

Will a recursive function without an end condition every quit, in practice a) Compiler-Specific (Some can convert to an infinite loop) b) No c) Yes

1079

which of the following is not an secondary constant a) array b) real c) union

1806

an operation between an integer and real always yeilds a) integer result b) real result c) float result

1155

which operator is used for performing an exponential operation a) > b) ^ c) none

1064

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Un-Answered Questions { C++ General }

Is c++ fully object oriented?

973

Difference between pointer to constant and constant pointer to a constant. Give example.

1125

Differentiate between the manipulator and setf( ) function?

1210

What it is and how it might be called (2 methods).

1186

Is it possible to provide special behavior for one instance of a template but not for other instances?

1134

What is the difference between delegation and implemented-in-terms-of?

1007

What are formatting flags in ios class?

1304

What are put and get pointers?

1132

Difference between a homogeneous and a heterogeneous container

1144

the first character in the variable name must be an a) special symbol b) number c) alphabet

1097

What is meant by the term name mangling in c++?

962

how to connect with oracle 9i with server in socket program in c/c++

2352

What is the purpose of the "delete" operator?

1065

How is c++ used in the real world?

1037

How const int *ourpointer differs from int const *ourpointer?

1141

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