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 14463

Contrast OOP and SOA. What are tenets of each?

Siebel Systems, Wipro,

1 17696

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

5 16921

What normal C constructs work differently in C++?

2 5817

Why and when is a virtual destructor needed?

5 16920

How do I open binary files?

1 5408

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

2 6252

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

2 7192

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 5822

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 6595

what is meaning of isa and hsa

1 7846

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

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

58 75451

What will happen if when say delete this ?

7 16237

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

12 50772

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

Wipro,

3 8461

Un-Answered Questions { C++ }

What language is oop?

1010

How long will it take to learn programming?

1063

Can we specify variable field width in a scanf() format string? If possible how?

1267

What is meant by iomanip in c++?

1217

What is c++ namespace?

1213

What is searching? Explain linear and binary search.

998

Explain rtti.

1086

What does the nocreate and noreplace flag ensure when they are used for opening a file?

1119

Why null pointer is used?

1048

What are the three parts of a simple empty class?

2055

What are the advantages of c++?

1894

What is class in c++ with example?

1277

How c functions prevents rework and therefore saves the programers time as wel as length of the code ?

1095

What is encapsulation in oop?

1053

Write a program which uses Command Line Arguments

1183

For More Un-Answered { C++ } Questions Click Here