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 the v-ptr?

1108

Do class declarations end with a semicolon? Do class method definitions?

1086

Can member data be public?

997

What is the difference between the indirection operator and the address of oper-ator?

1061

What are the differences between the function prototype and the function defi-nition?

1046

If a round rectangle has straight edges and rounded corners, your roundrect class inherits both from rectangle and from circle, and they in turn both inherit from shape, how many shapes are created when you create a roundrect?

1069

How do you show the declaration of a virtual constructor?

903

What is a catch statement?

989

Name four predefined macros.

993

If you don’t declare a return value, what type of return value is assumed?

891

What is the difference between a reference and a pointer?

1050

What is a down cast?

1039

What is the difference between public and private data members?

1122

When must you use a pointer rather than a reference?

991

What is the function to call to turn an ascii string into a long?

1004

Un-Answered Questions { C++ }

What is a tuple c++?

966

What is the advantage of c++ over c?

969

Differentiate between the manipulator and setf( ) function?

1103

How can you quickly find the number of elements stored in a dynamic array? Why is it difficult to store linked list in an array?

991

How can we access protected and private members of a class?

1058

What is pointer -to-members in C++? Give their syntax?

986

Can notepad ++ run c++?

1010

int age=35; if(age>80) {Console.WriteLine("Boy you are old");} else {Console.WrieLine("That is a good age");}

1213

How do you differentiate between overloading the prefix and postfix increments?

1043

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

1116

What is persistence in oop?

1100

class CTest { public: void someMethod() { int nCount = 0; cout << "This is some method --> " << nCount; } }; int main() { CTest *pctest; pctest->someMethod(); return 0; } It will executes the someMethod() and displays the value too. how is it possible with our creating memory for the class . i think iam not creating object for the class. Thanks in Advance... Prakash

2228

C is to C++ as 1 is to a) What the heck b) 2 c) 10

1012

Is c++ free?

1044

What is a base class?

1052

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