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

WHEN A COPY CONSTER IS CALL ?

4 7197

WHY FUCTION OVERLOADING DOSENOT RETURN A RETEN TYPE

2 10169

what is abstract class ? when is used in real time ? give a exp

5 20102

Please post the model question paper of hal?

2 4849

write a program in c++ to overload the function add (s1,s2) where s1 and s2 are integers and floating point values.

4 20822

write a c++ program to find maximum of two numbers using inline functions.

IBM,

3 40071

to remove the repeated numbers from the given . i.e.., if the input is 12233 output should of 123

2 5521

What is the difference between const int *ptr and int const *ptr???

2 22306

How would you stop a class from class from being derived or inherited?The constructer should not be Private,as object instantiation should be allowed.

Satyam,

15 21798

what is the difference between class and object?

9 16447

What is the Advantage of Interface over the Inheritance in OOPS?

4 18292

design a c++ class for the chess board,provide a c++ class definition for such class(only class definition is required)

UBS,

6676

what is data Abstraction? and give example

Aaditya Info Solutions, American Express, CMS, College School Exams Tests, Data Entry Operator, First Advantage, Google, HCL, IBM, Infosys, Microsoft, Mind Links, NIIT, Oracle, Pact, QBit Systems, TCS, WAYA, Wipro,

147 296111

what is the difference b/w abstract and interface?

Merrill Lynch, Schneider, Scio Healthcare,

2 8879

Explain polymorphism? What r the types of polymorphism? pls give examples?

HCL,

4 16447

Un-Answered Questions { C++ }

What is a friend function in c++?

1629

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

1259

What does <> mean pseudocode?

1183

What do you mean by inheritance in c++?

1096

Explain the benefits of proper inheritance.

1148

Is atoi safe?

1049

Why do we use vector in c++?

1072

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

1258

What are the differences between new and malloc?

1122

How many types of classes are there in c++?

1038

Which bit wise operator is suitable for checking whether a particular bit is on or off?

1025

Difference between overloaded functions and overridden functions

1056

Is c++ a pure oop language?

1079

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

1067

How do you initialize a string in c++?

998

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