oop 2

Which of the following can access private data members of a class?

• Only constructors

• Only public member functions

• Any function in the program

• Only member functions of the same class

What happens if no constructor is defined in a class?

• Compilation error

• A default constructor is automatically provided

• Object cannot be created

• Destructor is also removed

Which of the following is NOT true about constructors?

• They have no return type

• They can be overloaded

• They can be called manually

• They are automatically called when an object is created

Which member selection operator is used with an object?

• ::

• ->

• .

• @

Which of the following providing a programmer with the facility of using object of a class inside other classes

• inheritance

• Composition

• Abstraction

• Encapsulation

Can a constructor function be constant

• yes, always

• Yes, only if premissions are given

• no,because objects are not involved

• No ,Never

when a destructor is called?

• after the end of object life

• anytime between object's lifespan

• at the end of whole program

• just before the end of object life

A class can have:

• One constructor only

• Multiple constructors with different parameters

• Only private constructors

• Only one destructor and one constructor

The constructor Time(int h = 0, int m = 0, int s = 0) demonstrates:

• Constructor overloading

• Default arguments

• A destructor

• A friend function

What is a utility function in a class?

• A public function that does calculations

• A non-member function that prints output

• A private function used internally by other member functions

• A friend function