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?

1053

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

1108

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

1239

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

1393

What are the advantages of using typedef in a program?

1147

Can a Structure contain a Pointer to itself?

1145

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

1247

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

1058

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

1148

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

1101

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

1239

What is a node class in c++?

1074

What is an accessor in c++?

1078

What is an orthogonal base class in c++?

1162

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

1041

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Un-Answered Questions { C++ General }

What is an iterator?

1197

What is c++ library?

1045

write a porgram in c++ that reads an integer and print the biggest digit in the number

2259

How can you prevent accessing of the private parts of my class by other programmers (violating encapsulation)?

1085

What are advantages of using friend classes?

1078

I was a c++ code and was asked to find out the bug in that. The bug was that he declared an object locally in a function and tried to return the pointer to that object. Since the object is local to the function, it no more exists after returning from the function. The pointer, therefore, is invalid outside.

1138

What is namespace & why it is used in c++?

1124

How are virtual functions implemented in c++?

1071

What does the ios::ate argument do?

1189

How can you link a c program with a c function?

1076

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

1014

What is this pointer in c++?

1409

How to give an alternate name to a namespace?

1088

Why is c++ considered difficult?

1153

What is the use of setfill in c++?

1080

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