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

INSTANCE FIELDS DECLARED private ARE ACCESSIBLE BY THE METHODS ONLY.CAN WE CHANGE THE private FIELD OF AN OBJECT IN A METHOD OF SOME OTHER OBJECT OF THE SAME CLASS?

2213

write a c++ program to create class student having datamember name,Roll_no,age,and branch intilcization all the member using constructor print the all the details on the screen.

2692

In java a final class is a class that cannot be derived. How can you make a similar class in C++

1 4206

if int1 has the value 12, int has the value 18, and int3 has the value 21, what is the result: int1 < int2 && int2 < int 3

3 8160

who is the father of OPPS

Infosys, TCS,

4 10498

create a class complex having real and imaginary part of a complex no. as a data member. overload the binary operators(+,- and *) to perform the operations on complex no. objects. overload binary operator using friend function.

CTS, Delhi University,

2 5770

what is cast operator?

Microsoft,

2 5930

when to use 'mutable' keyword and when to use 'const cast' in c++

TCS,

2165

why reinterpret cast is considered dangerous?

TCS,

2397

What are callback functions in c++

SoftTech,

1 4379

write a program to add two numbers without using an arithmetic operator.

NIIT,

1 4759

How to reverse a sentence in c program ex: ram is a good boy answer: boy good a is ram

IBM,

3319

write a program that withdrawals,deposits,balance check,shows mini statement. (using functions,pointers and arrays)

2392

what is namespace? what are the uses of namespace?

1 4114

what is opps?why it is use in programming language?

Wipro,

2 6176

Un-Answered Questions { C++ }

Is arr and &arr are same expression for an array?

1061

Explain polymorphism?

1083

Why do we need constructors in c++?

1117

How do you decide which integer type to use?

1017

why is c++ called oops? Explain

1054

What is exception handling? Does c++ support exception handling?

1038

Briefly explain various access specifiers in C++.

988

Explain the operator overloading feature in C++ ?

1034

Explain the use of vtable.

1092

What are the 4 main oop principles?

1228

What is object in oop with example?

1251

What is the use of ::(scope resolution operator)?

1077

What is the type of 'this' pointer?

1023

Why is c++ difficult?

1065

Name the operators that cannot be overloaded.

1990

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