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

Explain pass by value and pass by reference.

1054

What is the difference between an external iterator and an internal iterator? Describe an advantage of the external iterator.

1056

What are multiple inheritances (virtual inheritance)? What are its advantages and disadvantages?

1054

State the difference between delete and delete[].

1102

What are virtual constructors/destructors?

1009

What are default parameters? How are they evaluated in c++ function?

1171

When there is a global variable and local variable with the same name, how will you access the global variable?

1101

What is an inline function in c++?

1112

How do you define/declare constants in c++?

1047

Difference between declaration and definition of a variable.

1140

What are the various arithmetic operators in c++?

1118

What are the various compound assignment operators in c++?

977

What are the extraction and insertion operators in c++?

1000

What is the difference between method overloading and method overriding in c++?

1150

What is the keyword auto for?

1033

Un-Answered Questions { C++ }

Is swift faster than go?

1094

What is a responder chain?

1054

How does the copy constructor differ from the assignment operator (=)?

1142

explain the reference variable in c++?

1060

Which function cannot be overloaded c++?

1108

Write a program using display() function which takes two arguments.

1070

what are the ways in which a constructors can be called?

2127

What is the importance of oop?

1093

Differentiate between a constructor and a destructor in c++.

1015

What is cout flush?

1026

What is the use of :: operator in c++?

1120

What is the basic structure of a c++ program?

1145

Why is encapsulation used?

988

Explain the problem with overriding functions

1150

What is polymorphism explain?

1252

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