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

863

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

1552

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

858

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

729

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

749

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

887

Is there a difference between class and struct?

1014

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

879

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

743

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 1340

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

1059

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

1 1629

Specify different types of decision control statements?

850

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

801

Un-Answered Questions { C++ }

Can we call a virtual function from a constructor?

1308

What does it mean to declare a function or variable as static?

1006

What is the use of dot in c++?

1080

What is the significance of classes in oop?

1146

Why do we need runtime polymorphism in c++?

1018

write a program To generate the Fibonacci Series.

1045

What do you mean by overhead in c++?

1087

What do you mean by Encapsulation?

1089

Why do while loop is used?

1028

What are the defining traits of an object-oriented language?

1201

What is the rule of three?

997

When do we use copy constructors?

1079

Explain virtual class?

1024

what are the decision making statements in C++? Explain if statement with an example?

1083

What is an abstract class in C++

1023

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