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

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

1115

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

1167

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

1314

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

1463

What are the advantages of using typedef in a program?

1188

Can a Structure contain a Pointer to itself?

1220

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

1309

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

1109

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

1209

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

1157

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

1345

What is a node class in c++?

1130

What is an accessor in c++?

1127

What is an orthogonal base class in c++?

1218

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

1116

Un-Answered Questions { C++ }

Can you please explain the difference between static and dynamic binding of functions?

1079

Why is oop useful?

1180

What are the two different types of polymorphism?

1206

What is stl stack?

1212

Explain the concept of copy constructor?

1120

Differentiate between realloc() and free().

1110

What is array give example?

1118

Using a smart pointer can we iterate through a container?

1147

Difference between declaration and definition of a variable.

1236

Explain 'this' pointer and what would happen if a pointer is deleted twice?

1140

Can a program run without main function?

1228

How does free know the size of memory to be deleted

936

Define linked lists with the help of an example.

1089

What are the 5 oop principles?

1176

What are signs of manipulation?

1126

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