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

What does flush do?

1000

Why do we use structure in c++?

1088

Do vectors start at 0?

997

What is the full form of dos?

1171

Why was c++ made?

1115

Why do we use setw in c++?

1123

Why is swift so fast?

1134

Why cstdlib is used in c++?

1051

Why do we use pointers in c++?

1075

Why do we need runtime polymorphism in c++?

1039

Why is c++ considered difficult?

1161

Why do we use classes in c++?

1076

Are php strings immutable?

1065

Why do we need constructors in c++?

1119

What is std :: flush?

1084

Un-Answered Questions { C++ }

What is the difference between a mixin and inheritance?

995

Which is better c++ or java?

992

What are containers in c++?

998

What is the best it certification?

1131

Is std :: string immutable?

1055

What is size of string in c++?

992

Explain how to initialize a const data member.

1143

Write about a nested class and mention its use?

1109

What is multilevel inheritance in oop?

1047

Can user-defined object be declared as static data member of another class?

1032

What is the use of stl?

1096

Mention the default functions in C++, how would you detect that error has occurred inside the constructor and destructor.

1021

IS IT NECESSARY TO INITIALIZE VARIABLE? WHAT IF THE INSTANCE VARIABLE IS DECLARED final ? IS IT NECESSARY TO INITIALIZE THE final VARIABLE AT THE TIME OF THEIR DECLARATION?

2077

Is main a class in c++?

1012

How do you explain polymorphism?

1082

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