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

How is the using() pattern useful? What is IDisposable? How does it support deterministic finalization?

IntraLogic,

1 14448

Contrast OOP and SOA. What are tenets of each?

Siebel Systems, Wipro,

1 17684

why c++ is called OOPS? waht is inherutance? what is compiler?

5 16900

What normal C constructs work differently in C++?

2 5803

Why and when is a virtual destructor needed?

5 16892

How do I open binary files?

1 5399

Why a "operator=(...)" when there is a copy ctor?

2 6229

How is an Abstract Base Class(ABC) related to an "Abstract Data Type" (ADT)

2 7178

what is the behaviour of C and C++ compiler for the below statements. int *p; p = malloc(100); Is the behaviour same ? or different ?

2 5807

Find out the bug in this code,because of that this code will not compile....... #include #include #include using namespace std; class balance { double cur_bal; char name[80]; public: balance(double n, char *s) { cur_bal = n; strcpy(name, s); } ~balance() { cout << "Destructing "; cout << name << "\n"; } void set(double n, char *s) { cur_bal = n; strcpy(name, s); } void get_bal(double &n, char *s) { n = cur_bal; strcpy(s, name); } }; int main() { balance *p; char s[80]; double n; int i; try { p = new balance [3]; // allocate entire array } catch (bad_alloc xa) { cout << "Allocation Failure\n"; return 1; }

Impetus,

2 6593

what is meaning of isa and hsa

1 7841

What is the output of printf("%d")?

CTS, HCL, Infosys, TCS, Winit, Wipro,

58 75197

What will happen if when say delete this ?

7 16217

What is the Difference between "C structure" and "C++ structure"?

12 50701

What is the Diffrence between a "assignment operator" and a "copy constructor"?

Wipro,

3 8451

Un-Answered Questions { C++ }

What is pass by value & reference.

1121

Which function cannot be overloaded c++?

1108

What is an undefined behavior and sequence points

999

Is it possible for a member function to delete the pointer, named this?

1155

What is difference between oop and pop?

1160

What is a standard template library (stl)? What are the various types of stl containers?

1162

How to input string in C++

876

Describe the setting up of my member functions to avoid overriding by the derived class?

1130

What is the important feature of inheritance?

1124

How long to learn object oriented programming?

1080

What is the arrow operator in c++?

1016

which operator is used for performing an exponential operation a) > b) ^ c) none

1059

Is dev c++ a good compiler?

962

What is a storage class used in c++?

1077

What are the types of container classes?

1154

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