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 does free know the size of memory to be deleted

865

What's the value of the expression 5["abxdef"]?

1559

How to delete array of objects in C++? Proof by C++ code for proper deletion

864

How to stop class inheritance in C++ with condition that object creation should be allowed

739

What is Advantage and Use of THIS pointer in C++ – Scenarios?

759

C++ Public access specifier instead of Private – What is bad ?

893

Is there a difference between class and struct?

1022

How many times will this loop execute? Explain your answer.

883

How can a C function be called in a C++ program?

752

C++ supports multiple inheritance. What is the “diamond problem” that can occur with multiple inheritance? Give an example.

844

What is a built-in function?

1 1345

What is the difference between global int and static int declaration?

1067

Difference between const char* p and char const* p?

1 1641

Specify different types of decision control statements?

859

Reverse the Linked List. Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL

812

Un-Answered Questions { C++ }

What is the significance of classes in oop?

1160

What do you mean by overhead in c++?

1095

Which sort is best for the set: 1 2 3 5 4 a) Quick Sort b) Bubble Sort c) Merge Sort

1059

What is the maximum value of a unsigned char a) 255 b) 256 c) 128

1073

What is static function? Explain with an example

1078

What is pointer to array in c++?

1167

How can we read/write Structures from/to data files?

1135

Explain overriding.

988

What is endl?

1155

What is encapsulation in c++ with example?

1005

What is oop in c++?

1083

What is the meaning of string in c++?

1070

How to declare an array of pointers to integer?

1145

Write a program which uses Command Line Arguments

1185

What is the return value of the insertion operator?

1130

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