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

1086

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

1081

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

1144

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

1070

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

1014

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

968

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

1009

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

1055

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

1067

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

1066

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

1092

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

1205

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

1258

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

1186

Post New C++ General Questions

Un-Answered Questions { C++ General }

What does count ++ do in c++?

1197

Define a pointer to a data member of the type pointer to pointer?

980

Write a single instruction that will store an EVEN random integer between 54 and 212 inclusive in the variable myran. (NOTE only generate EVEN random numbers)

1941

How a pointer differs from a reference?

1340

What is this pointer in c++?

1395

What do you mean by a template?

1066

Explain the isa and hasa class relationships. How would you implement each?

1121

Is oops and c++ same?

1047

what is VOID?

1061

Explain overriding.

982

We all know that a const variable needs to be initialized at the time of declaration. Then how come the program given below runs properly even when we have not initialized p?

1077

What is the full form of india?

1123

Who invented turbo c++?

1064

What does n mean in c++?

1160

What is the use of pointer in c++ with example?

1039

For More Un-Answered { C++ General } Questions Click Here