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,

1117

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

NIIT,

1188

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

TCS,

1191

What you know about structures in C++?

Agilent, ZS Associates,

1152

How is modularity introduced in C++?

TCS,

1296

How many characters are recognized by ANSI C++?

Hexaware, NIIT,

1473

What are literals in C++?

Wipro,

1087

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

NIIT,

1243

Write a program to show polymorphism in C++?

Impetus, Verifone,

1209

Write syntax to define friend functions in C++.

HAL,

1138

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

Tech Mahindra,

1130

Define Virtual function in C++.

iNautix,

1158

What are friend functions in C++?

BlackRock,

1130

State two differences between C and C++.

Hexaware,

1255

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

Hexaware,

1131

Un-Answered Questions { C++ }

On throwing an exception by the animal constructor in p = new animalq, can memory leak occur?

1197

What are the types of array in c++?

1245

Define stacks. Provide an example where they are useful.

1087

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

1168

How do you answer polymorphism?

1113

What does override mean in c++?

1127

Is it possible to get the source code back from binary file?

1449

What is meant by multiple inheritance?

1348

Define a pointer to a data member of the type pointer to pointer?

1050

Why do we use iterators?

1142

Define pure virtual function?

1055

Is c++ a software?

1258

What is a pointer how and when is it used?

1155

Explain one-definition rule (odr).

1180

What are the advantages of inheritance in c++?

1158

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