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C++ Interview Questions
Questions Answers Views Company eMail

When should you use global variables?

1211

What is a constant reference?

1073

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

1107

What does catch(…) mean?

1112

What is a v-table?

1175

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?

1205

What is a try block?

1070

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

1014

Do class declarations end with a semicolon?

1073

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

1226

Do class method definitions?

1038

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?

1030

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

1166

When is the destructor called?

1025

What is the insertion operator and what does it do?

1041


Un-Answered Questions { C++ }

Differentiate between a copy constructor and an overloaded assignment operator.

1072


How is objective c different from c++?

1245


Explain how to initialize a const data member.

1120


How can a struct in c++ differs from a struct in c?

1040


What is the outcome of cout< a) 16 b) 17 c) 16.5

1015


What do you mean by function overriding & function overloading in c++?

1173


Explain about Virtual Function in C++?

1018


What parameter does the constructor to an ofstream object take?

1050


Inline parameters : What does the compiler do with the parameters of inline function, that can be evaluated in runtime ?

2512


What are the benefits of interface?

1052


What is a v-table?

1175


What is size_type?

1041


write a program to enter a string like"sunil is a good boy and seeking for a job" not more than 10 characters including space in one line,rest characters should b in other line.if the next line starts from in between the previous word,then print whole word to next line.

2233


Do we have to use initialization list in spite of the assignment in constructors?

998


What is a class in oop?

1124