INTERVIEW QUESTIONS C++ INHERITANCE IN C++ DETAILS

Question: class A()
{
};

int main()
{
A a;
}

Whether there will be a default constructor provided by the compiler in above case ?

Answer: yes, if the designer of the class donot define any constructor in the class. then the compiler provides the default constructor in the class.

yes, if the designer of the class donot define any constructor in the class. then the compiler provides the default constructor in the class. Source: CoolInterview.com

I have a doubt, is it possible without declare any members to that class? if happen, explain how? Source: CoolInterview.com

NO! The class declared is a POD-Struct. These structures are represented only as passive collections of field values, without using encapsulation or any other object-oriented features! This means that there is no Constructor or Destructor to this class.

Source: CoolInterview.com

Yes... it provide default constructor.
When you create object or A & press ( , that time it gives parameter "const &a". Source: CoolInterview.com

A default constructor will be added by the compiler for any class where user does not supply any constructor.

I have never heard abt POD or nething like that. Can you please explain what you r trying to describe here Source: CoolInterview.com

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