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 4087

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 3892

what is oppes

2 5092

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 7205

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

2 6176

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 8042

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

IBM, Wipro,

2 16880

what do you mean by static member variable?

2 6263

What is a unary operator?

5 8726

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

HCL,

5 21884

A file pointer always contains the __________ of the file

5 12173

difine hierarchical inheritance.

ASD Lab, TCS,

9 28222

what is use to destroy an object? illustrate.

TCS,

5 8251

What is name mangling?

3 6888

What is dangling pointers?and what is memory leak?

5 43231

Un-Answered Questions { C++ }

What are the uses of c++ in the real world?

1042

Which is best c++ or java?

1091

What is java and c++?

1183

What does 7/9*9 equal ? a) 1 b) 0.08642 c) 0

963

Difference between function overloading and function overriding.

1069

What are oops functions?

1038

Why do we use polymorphism in oops?

1059

Is c the same as c++?

1018

How to implement is-a and has-a class relationships?

1035

What is static function? Explain with an example

1085

Write a Program to find the largest of 4 no using macros.

1083

Who wrote stl?

1146

Explain the difference between c++ and java.

1121

If class D is derived from a base class B

777

How does stack look in function calls? Write a recursive function call, how will the stack look like?

1010

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