C++ Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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,

1074

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

Alter,

1087

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

Alter,

1167

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

Alter,

1142

What is a virtual function in C++?

C DAC,

1109

what is friend function in C++?

TCS,

1104

What is conversion constructor in C++

TCS,

1127

What is Coupling?

Cap Gemini,

1125

Un-Answered Questions { C++ }

What is size_type?

1126

What do you understand by zombie objects in c++?

1174

When the constructor of a base class calls a virtual function, why doesn't the override function of the derived class gets called?

1161

What is heap sort in c++?

1151

How do you sort a sort function in c++ to sort in descending order?

1064

Define a constructor - what it is and how it might be called (2 methods)?

1236

What does it mean to take the address of a reference?

1079

Why can’t you call invariants() as the first line of your constructor?

1095

Do you know the use of vtable?

1196

Is oop better than procedural?

1100

sir please send me bpcl previous question papers

2466

Does dev c++ support c++ 11?

1098

What should main() return in c and c++?

1079

What is pure virtual function? Or what is abstract class?

1127

Explain Memory Allocation in C/C++ ?

1121

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