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C++ Interview Questions
Questions Answers Views Company eMail

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

Alter,

1147

What are "pure virtual" functions?

Adobe, Alter, iNautix,

1132

What is the difference between malloc, calloc and realloc?

Alter,

1045

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

Alter,

1004

What does malloc return in C and C++?

Alter,

1011

Difference between function overloading and function overriding.

Alter,

1061

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

Alter,

995

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,

995

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

Alter,

1018

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

Alter,

1085

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

Alter,

1077

What is a virtual function in C++?

C DAC,

1050

what is friend function in C++?

TCS,

1046

What is conversion constructor in C++

TCS,

1062

What is Coupling?

Cap Gemini,

1067

Un-Answered Questions { C++ }

What is meant by multiple inheritance?

1262

What are the syntactic rules to be avoid ambiguity in multiple inheritance?

1185

What is the difference between multiple and multilevel inheritance in c++?

1132

What c++ library is string in?

1059

Is std :: string immutable?

1042

Explain the concept of memory leak?

1114

How will you execute a stack using a priority queue? (Push and pop should be in O (1)).

1102

Is c++ the hardest programming language?

1133

What is the difference between a pointer and a link in c ++?

1056

What is function prototyping?

1103

What is a singleton class c++?

1037

What do you mean by enumerated data type?

1051

How does code-bloating occur in c++?

1205

write a code for this:trailer recordId contains a value other than 99, then the file must error with the reason ‘Invalid RECORD_ID’(User Defined Exception).

2158

write a function signature with various number of parameters.

1047

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