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

Give the difference between the type casting and automatic type conversion. Also tell a suitable C++ code to illustrate both.

TCS,

1052

How does a C++ structure differ from a C++ class?

NIIT,

1123

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

TCS,

1119

What you know about structures in C++?

Agilent, ZS Associates,

1082

How is modularity introduced in C++?

TCS,

1214

How many characters are recognized by ANSI C++?

Hexaware, NIIT,

1424

What are literals in C++?

Wipro,

1026

What is the basic difference between C and C++?

NIIT,

1177

Write a program to show polymorphism in C++?

Impetus, Verifone,

1148

Write syntax to define friend functions in C++.

HAL,

1079

Differentiate between a constructor and a method in C++.

Tech Mahindra,

1058

Define Virtual function in C++.

iNautix,

1098

What are friend functions in C++?

BlackRock,

1066

State two differences between C and C++.

Hexaware,

1173

What is the use of namespace std in C++?

Hexaware,

1071

Un-Answered Questions { C++ }

How to declare a function pointer?

1001

What is inheritance in simple words?

1058

What is #include iostream in c++?

1059

Is html an oop?

1072

Explain class invariant.

1066

What are the advantages of pointers?

1068

How the endl and setw manipulator works?

1017

What is the renewal class?

2763

How long does it take to get good at leetcode?

1179

What are inline functions? What is the syntax for defining an inline function?

1161

Is oop better than procedural?

1041

How does class accomplish data hiding in c++?

1182

Why it is called runtime polymorphism?

1138

What are the 4 types of library?

1182

List the merits and demerits of declaring a nested class in C++?

1032

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