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 29755

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 9200

Why would you make a destructor virtual?

Lehman Brothers,

3 9117

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

5 10482

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 679829

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

Lason,

16 30887

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

PCS,

3 12615

What are the different forms of polymorphism??

Mantaq, NUC, PCS,

8 16217

all about pointers

2 6234

what is diff between .net 1.1 and .net 2.0

4 10617

What C++ libraries are you proficient with?

Google,

1 9130

Which algorithm do you like the most? Why?

Google,

2 8641

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

Google,

2 8764

What is design pattern?

Samsung,

2 8807

What are advantages and disadvantages of Design patterns?

IBM, Vodafone,

7 110562

Un-Answered Questions { C++ }

What is iterator c++?

980

What is meant by const_cast?

1123

what are function pointers?

1056

Define the operators that can be used with a pointer.

1045

What is meant by entry controlled loop? What all C++ loops are exit controlled?

1079

What is the difference between global variables and local variable

1055

What is malloc in c++?

1013

What is latest update of C++ ?

1085

Define the process of error-handling in case of constructor failure?

1014

What does and I oop mean in text?

1211

Explain how a pointer to function can be declared in C++?

1058

Explain polymorphism?

1073

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

2125

Why pointer is used in c++?

1153

Are c and c++ different?

977

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