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

In C++ cout is: a) object b) class c) something else

11 29833

What is the output of: String a1 = "Hello"; String a2 = "world!"; String* s1 = &a2; String& s2 = a1; s1 = &a1; s2 = a2; std::cout << *s1 << " " << s2 << std::endl;

Lehman Brothers,

4 9223

Why would you make a destructor virtual?

Lehman Brothers,

3 9132

what is the difference between and "stdio.h"?

5 10510

what is the main difference between c and c++?

AZTEC, B.Tech, CMC, College School Exams Tests, HCL, IBM, ITM, Khalsa Institute, Microsoft, Oracle, Sanjeevni Institute, TCS, Tech Mahindra, Wipro, ZeOmega,

386 681475

Is there any difference between dlearations int* x and int *x? If so tell me the difference?

Lason,

16 30983

Explain the concept of abstracion and encapsulation with one example. What is the difference between them?

PCS,

3 12629

What are the different forms of polymorphism??

Mantaq, NUC, PCS,

8 16253

all about pointers

2 6247

what is diff between .net 1.1 and .net 2.0

4 10636

What C++ libraries are you proficient with?

Google,

1 9138

Which algorithm do you like the most? Why?

Google,

2 8666

Have you used MSVC? What do you think of it?

Google,

2 8770

What is design pattern?

Samsung,

2 8824

What are advantages and disadvantages of Design patterns?

IBM, Vodafone,

7 110605

Un-Answered Questions { C++ }

What is a volatile variable in c++?

1466

How do you declare A pointer to a function which receives nothing and returns nothing

1236

How do you save a c++ program?

1041

What is the extension of c++?

985

Is facebook written in c++?

997

What is size_type?

1055

When should overload new operator on a global basis or a class basis?

1081

How are Structure passing and returning implemented by the compiler?

1139

What is switch case in c++ syntax?

1116

What is an html tag?

1147

Why use of template is better than a base class?

1187

What is endl c++?

1097

What operators can you overload in c++?

1044

Which method cannot be overridden?

1094

What does ios :: app do in c++?

1033

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