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 do you mean by multiple inheritance and multilevel inheritance? Differentiate between them.

2 14892

Difference between realloc() and free?

HP,

9 26427

What is a template?

7 9883

What are the main differences between procedure oriented languages and object oriented languages?

IBM, Infosys, Wipro,

9 22175

What is R T T I ?

Ness Technologies,

6 16553

What are generic functions and generic classes?

5 23014

What is namespace?

15 32148

What is the difference between pass by reference and pass by value?

Pfizer, TCS,

12 41700

Why do we use virtual functions?

4 15721

What do you mean by pure virtual functions?

8 16214

What are virtual classes?

2193

Does c++ support multilevel and multiple inheritance?

IBS, Wipro,

9 17912

What are the advantages of inheritance?

IBS, TCS,

26 98550

When is a memory allocated to a class?

11 30370

What is the difference between declaration and definition?

IBS,

20 51405

Un-Answered Questions { C++ }

Why cout is used in c++?

1026

Describe these concepts: Polymorphism, Inheritance and Abstraction.

1199

Why is there no multiple inheritance?

1003

what are the ways in which a constructors can be called?

2139

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

989

What is abstract class in oop?

1014

What is input operator in c++?

1035

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

1188

Am studying basic c++ programming, have been given the following assignment. Design a linear program to calculate the maximum stress a material can withstand given a force and a diameter of a circle. To find the required area pi should be defined. Have most of the program sorted out but am at a loss as to how to show the calculations required. Can anyone help?

2192

What is the difference between method overloading and method overriding in c++?

1151

What is a Default constructor?

1595

What does it mean when someone says I oop?

1063

What is istream c++?

1197

what is template and type convertion

2455

What is size of string in c++?

987

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