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 9115

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

5 10481

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 679799

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

Lason,

16 30884

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 16213

all about pointers

2 6234

what is diff between .net 1.1 and .net 2.0

4 10616

What C++ libraries are you proficient with?

Google,

1 9130

Which algorithm do you like the most? Why?

Google,

2 8640

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

Google,

2 8763

What is design pattern?

Samsung,

2 8806

What are advantages and disadvantages of Design patterns?

IBM, Vodafone,

7 110559

Un-Answered Questions { C++ }

What is pointer to array in c++?

1154

Why do we use oop?

1095

Explain Memory Allocation in C/C++ ?

1061

In what scenario does the Logical file and Physical file being used?

2845

Name the operators that cannot be overloaded in C++?

1047

Explain data encapsulation?

1124

What are the defining traits of an object-oriented language?

1199

How stl is different from the c++ standard library?

1221

How do you clear a buffer in c++?

958

What is using namespace std in c++?

1153

What is the difference between the indirection operator and the address of oper-ator?

1108

What is the latest c++ version?

1103

We use library functions in the program, in what form they are provided to the program?

1088

How important is c++?

980

What is pointer in c++ with example?

1071

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