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?

1215

What is a constant reference?

1077

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

1116

What does catch(…) mean?

1119

What is a v-table?

1185

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?

1211

What is a try block?

1074

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

1026

Do class declarations end with a semicolon?

1083

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

1235

Do class method definitions?

1045

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?

1034

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

1175

When is the destructor called?

1037

What is the insertion operator and what does it do?

1049

Un-Answered Questions { C++ }

Out of fgets() and gets() which function is safe to use?

1134

What is the use of 'this' pointer?

1252

What is stl in oop?

1218

Can you sort a set c++?

994

What are the 2 main types of data structures?

1125

What is polymorphism and its type in c++?

1079

What is lambda expression c++?

1058

What is an operator in c++?

1068

What is the difference between the functions memmove() and memcpy()?

1123

What is the advantage of c++ over c?

1030

What is abstract class in oop?

1014

How the programmer of a class should decide whether to declare member function or a friend function?

1121

Is it possible for a member function to use delete this?

1080

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

2390

If a function doesn’t return a value, how do you declare the function?

1061

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