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

670

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

588

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

679

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

616

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

592

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

575

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

558

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

641

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

662

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

640

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

636

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

617

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

683

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

745

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

691

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Un-Answered Questions { C++ General }

What is a node class in c++?

647

What is atoi?

546

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

590

What do you mean by function overriding & function overloading in c++?

604

Is overriding possible in c++?

578

What is isdigit c++?

579

What is the difference between the compiler and the preprocessor?

619

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

651

Is swift a good first language?

592

What is a NULL Macro? What is the difference between a NULL Pointer and a NULL Macro?

622

What is the function of I/O library in C++ ?

668

Where can I run c++ program?

605

What are the methods of exporting a function from a dll?

650

What is an iterator?

690

How can you specify a class in C++?

802

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