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

C++ General Interview Questions

Questions Answers Views Company eMail

If I is an integer variable, which is faster ++i or i++?

1134

Explain the concept of friend function in c++?

1161

Can non-public members of another instance of the class be retrieved by the method of the same class?

1123

How the virtual functions maintain the call up?

1283

Differentiate between an inspector and a mutator ?

1291

Write about the members that a derived class can add?

1026

Describe public access specifiers?

1161

What kind of problems can be solved by a namespace?

1134

What are put and get pointers?

1183

Write about the local class and mention its use?

1133

What is a c++ object?

1256

Define the process of handling in case of destructor failure?

1117

Write about the scope resolution operator?

1077

Can the creation of operator** is allowed to perform the to-the-power-of operations?

1054

Write about the role of c++ in the tradeoff of safety vs. Usability?

1128

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Un-Answered Questions { C++ General }

Write a program to concatenate two strings.

1149

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.

1192

What is the auto keyword good for in c++?

1262

What do you mean by const correctness?

1137

Describe about storage allocation and scope of global, extern, static, local and register variables?

1301

Can char be a number c++?

1103

What is long in c++?

1300

What are the implicit member functions of class?

1132

If we want that any wildcard characters in the command line arguments should be appropriately expanded, are we required to make any special provision? If yes, which?

1582

Is c++ built on c?

1081

What is searching? Explain linear and binary search.

1042

Program to check whether a word is a sub-string or not of a string typed

2085

Define namespace in c++?

1108

How we can differentiate between a pre and post increment operators during overloading?

1156

How c functions prevents rework and therefore saves the programers time as wel as length of the code ?

1131

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