C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General 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,

1079

How is modularity introduced in C++?

TCS,

1213

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,

1055

Define Virtual function in C++.

iNautix,

1096

What are friend functions in C++?

BlackRock,

1066

State two differences between C and C++.

Hexaware,

1171

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

Hexaware,

1071

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Un-Answered Questions { C++ General }

What are the manipulators in c++?

1041

How much do coding jobs pay?

1013

What is tellg () in c++?

1311

What is virtual base class uses?

1359

Explain 'this' pointer and what would happen if a pointer is deleted twice?

1071

Explain the use of this pointer?

1156

Explain one method to process an entire string as one unit?

1590

What is the difference between *p++ and (*p)++ ?

1361

What is else syntax in c++?

1210

What is virtual destructor? What is its use?

1076

What is a NULL Macro? What is the difference between a NULL Pointer and a NULL Macro?

1116

Explain the concept of friend function in c++?

1115

What is the use of typedef?

1102

What is the header file for setw?

1131

Can a list of string be stored within a two dimensional array?

1000

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