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C++ Interview Questions
Questions Answers Views Company eMail

What is the difference between member functions and static member functions?

Alter,

1057

What are "pure virtual" functions?

Adobe, Alter, iNautix,

1072

What is the difference between malloc, calloc and realloc?

Alter,

985

Declare a pointer to a function that takes a char pointer as argument and returns a void pointer.

Alter,

965

What does malloc return in C and C++?

Alter,

975

Difference between function overloading and function overriding.

Alter,

999

What are pass by value and pass by reference?what is the disadvantage of pass by value?

Alter,

941

There is a base class sub, with a member function fnsub(). There are two classes super1 and super2 which are sub classes of the base class sub.if and pointer object is created of the class sub which points to any of the two classes super1 and super2, if fnsub() is called which one will be inoked?

Alter,

955

What is the 4 difference between delete[] and delete?

Alter,

975

How to invoke a C function using a C++ program?

Alter,

1029

what do you mean by exception handling in C++?

Alter,

1046

What is a virtual function in C++?

C DAC,

1007

what is friend function in C++?

TCS,

997

What is conversion constructor in C++

TCS,

1007

What is Coupling?

Cap Gemini,

1029

Un-Answered Questions { C++ }

What is null c++?

1091

What is the difference between a "copy constructor" and an "assignment operator" in C++?

1041

Explain terminate() function?

1017

What is a function in oop?

1040

program explaining feautures of c++

2408

What is oops in c++?

1013

Explain how would you handle a situation where you cannot call the destructor of a local explicitly?

931

What is decltype c++?

959

What is an overflow error?

1070

What is class syntax c++?

1107

Write a function to perform the substraction of two numbers. Eg: char N1="123", N2="478", N3=-355(N1-N2).

962

Why do we use polymorphism in oops?

1005

What is a wchar_t in c++?

1086

What is static function? Explain with an example

1017

Why is polymorphism needed?

1025

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