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

When should you use global variables?

1151

What is a constant reference?

1022

How do you invoke a base member function from a derived class in which you’ve overridden that function?

1066

What does catch(…) mean?

1070

What is a v-table?

1105

If horse and bird inherit virtual public from animal, do their constructors initialize the animal constructor? If pegasus inherits from both horse and bird, how does it initialize animal’s constructor?

1150

What is a try block?

1031

Why can’t you call invariants() as the first line of your constructor?

960

Do class declarations end with a semicolon?

1033

What is the difference between object-oriented programming and procedural programming?

1155

Do class method definitions?

987

If a base class declares a function to be virtual, and a derived class does not use the term virtual when overriding that class, is it still virtual when inherited by a third-generation class?

991

Is the declaration of a class its interface or its implementation?

1124

When is the destructor called?

981

What is the insertion operator and what does it do?

989

Un-Answered Questions { C++ }

the first character in the variable name must be an a) special symbol b) number c) alphabet

1043

Explain some examples of operator overloading?

1039

Explain what is polymorphism in c++?

1087

What are the differences between malloc() and calloc()?

1110

What are the three parts of a simple empty class?

1985

Name four predefined macros.

993

What do you mean by ‘void’ return type?

1003

What is the difference between an ARRAY and a LIST in C++?

1387

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

1005

Is python written in c or c++?

1094

Is swift faster than c++?

960

What is the difference between encapsulation and polymorphism?

1049

What are associate containers?

977

What is auto type c++?

1079

What is a try block?

1031

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