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

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

1177

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

1132

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

1102

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

1804

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

Un-Answered Questions { C++ }

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

1095

How can I learn dev c++ programming?

1053

Write down the equivalent pointer expression for referring the same element a[i][j][k][l]?

1264

What are the uses of typedef in a program?

1088

What is stl stand for?

1236

What are c++ templates used for?

1134

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

1123

Please send ford technologies placement paper 2 my mail id

2103

Write a program which uses functions like strcmp(), strcpy()? etc

1102

What is #include math h in c++?

1095

What is c++ code?

1125

Is c++ low level?

1034

What is difference between inheritance and polymorphism?

1028

When you overload member functions, in what ways must they differ?

1048

Is it possible for the objects to read and write themselves?

1116

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