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

923

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

1610

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

935

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

784

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

805

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

962

Is there a difference between class and struct?

1071

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

928

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

799

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

908

What is a built-in function?

1 1432

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

1162

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

1 1721

Specify different types of decision control statements?

920

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

857

Un-Answered Questions { C++ }

Write a program to add three numbers in C++ utilizing classes.

1186

How do you flush std cout?

1154

What is c++ library?

1098

What is doubly linked list in c++?

1137

What is private public protected in c++?

1105

Why namespace is used in c++?

1126

What is prototype for that c string function?

1195

Explain the concept of copy constructor?

1112

Explain the operation of overloading of an assignment operator.

1231

Is c++ still in demand?

1205

We all know that a const variable needs to be initialized at the time of declaration. Then how come the program given below runs properly even when we have not initialized p?

1149

What are the data types in c++?

992

What is meant by multiple inheritance?

1340

Write a Program for find and replace a character in a string.

1134

How many keywords are used in c++?

1069

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