C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

How would you implement a substr() function that extracts a sub string from a given string?

1042

How much maximum can you allocate in a single call to malloc()?

1107

How do you declare A pointer to a function which receives nothing and returns nothing

1234

What is the difference between an enumeration and a set of pre-processor # defines?

1384

What are the advantages of using typedef in a program?

1140

Can a Structure contain a Pointer to itself?

1132

Can you use the function fprintf() to display the output on the screen?

1245

Where Malloc(), Calloc(), and realloc() does get memory?

1053

In c++, what is the difference between method overloading and method overriding?

1138

Differentiate between a template class and class template in c++?

1097

What is an adaptor class or wrapper class in c++?

1213

What is a node class in c++?

1067

What is an accessor in c++?

1071

What is an orthogonal base class in c++?

1159

What is polymorphism in c++? Explain with an example?

1034

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Un-Answered Questions { C++ General }

Can a built-in function be recursive?

1022

Eplain extern keyword?

1026

What are the advantages of using a pointer? Define the operators that can be used with a pointer.

1031

What is the difference between cin.read() and cin.getline()?

1079

What is doubly linked list in c++?

1078

How can we access protected and private members of a class?

1115

What is the use of volatile variable?

1081

Explain what are mutator methods in c++?

1116

What are the methods of exporting a function from a dll?

1224

What is a container class? What are the types of container classes in c++?

1256

If dog is a friend of boy and boy is a friend of house, is dog a friend of house?

1001

What is dev c++ used for?

1033

What is an inclusion guard?

1197

Distinguish between new and malloc and delete and free().

1022

What is lazy initialization in c++?

1106

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