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 is a pure virtual function? Why is it represented as = 0...how is the internal implementation for the same

CTS,

3 8300

What are smart pointer? Whats its use?

CTS,

1 5644

What are function poinetrs? where are they used?

CTS,

1 4483

How many pointers are required to reverse a link list?

CTS,

5 11123

How many types of casting are there in C++? When is a dynamic cast,static_cast,reinterpret cast used?

CTS,

2 9312

Write a program to swap 2 chars without using a third varable? char *s = "A"; char *p = "B";

CTS,

7 24802

What are Binay tress and B trees? Diff between them?

CTS, GATE, Wipro,

8 15101

why we call c++ is object oriented lanaguage

HCL,

7 14161

WILL I GET A guaranteed JOB AFTER DOING bsc()IT) and GNIIT from an NIIT CENTRE??

Biocon, MIT, NIIT,

21 37124

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?

2182

Explain when u will use Observer pattern and how u will implement in c++ .

1 4633

What is the difference between static link library and dynamic link library?

Tech Mahindra,

7 21033

In multilevel inheritance constructors will be executed from the .... class to ... class

ABCO, TCS,

2 15714

reading material is provided 3 books for c++ if u need more do let me know thnx i hve lots of material do let me know if u want it

2 4742

what is template and type convertion

TATA,

2452

Un-Answered Questions { C++ }

What is the difference between a type-specific template friend class and a general template friend class?

977

How does class accomplish data hiding in c++?

1172

What is an orthogonal base class in c++?

1158

What causes polymorphism?

1129

Is there a sort function in c++?

995

How compile and run c++ program in turbo c++?

1178

What is const in c++?

1102

What is the cout in c++?

1052

C++ Public access specifier instead of Private – What is bad ?

887

How did c++ get its name?

1030

What is a class and object?

1048

Why do we use polymorphism in oops?

1037

What are multiple inheritances (virtual inheritance)? What are its advantages and disadvantages?

1053

What is encapsulation in ict?

1056

How should runtime errors be handled in c++?

1145

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