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

tell about sorted linked list

1 4081

You have to take 2 arrays of length 10. Input the values of array 1 from the user. Then copy the values of array 1 to array 2 in ascending order For example if user enters 9, 5, 6, 8, 1, 0, 2, 7, 4, 3 then copy the smallest element i.e. 0 first followed by 1, 2 and so

1 3878

what is oppes

2 5067

I am DeePu sotware engineer working with EMC corporation ,recently I had attended mcafee interview . Their questions were at heights of stupidity , I don't know what they want , I am a developer with 4 year experienced .I am listing the questions asked 1:What is the flag in g++ to avoid structure padding 2:In wht order parameters are passed to stack 3:How you will edit code segment of an exe

1 7189

what is the difference between class to class type conversion and copy constructor ?

2 6159

class A { public: void f(); protected: A() {} A(const A&){} }; Examine the class declaration shown above. Why are the default and copy constructors declared as protected? 1. To ensure that A cannot be created via new by a more derived class 2. To ensure that A cannot be copied 3. To ensure that A cannot be used as a base class except when public inheritance has been used 4. To ensure that A cannot be created/copied outside the inheritance chain 5. To ensure that A cannot be instantiated as a static variable

1 8030

Write 7 differences between "Public" function and "Private" function?

IBM, Wipro,

2 16862

what do you mean by static member variable?

2 6233

What is a unary operator?

5 8701

Conversion from a basic type to a class type may be achieved using______________

HCL,

5 21843

A file pointer always contains the __________ of the file

5 12136

difine hierarchical inheritance.

ASD Lab, TCS,

9 28167

what is use to destroy an object? illustrate.

TCS,

5 8212

What is name mangling?

3 6869

What is dangling pointers?and what is memory leak?

5 43191

Un-Answered Questions { C++ }

Mention the default functions in C++, how would you detect that error has occurred inside the constructor and destructor.

1013

What language is oop?

1007

If dog is a friend of boy, is boy a friend of dog?

981

What is difference between polymorphism and inheritance?

1081

What is implicit pointer in c++?

1077

What is microsoft c++ redistributable?

1095

What problems might the following macro bring to the application?

1051

What is overloading unary operator?

1086

What is the most common mistake on c++ and oo projects?

974

Which is the best c++ compiler?

1056

Can we use stl in coding interviews?

1813

What are structures and unions?

1001

What is the point of polymorphism?

1033

What is Destructor in C++?

1182

What is auto used for in c++?

1049

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