Object Oriented Quiz

Which is not a feature of OOP in general definitions?

• Efficient Code

• Code reusability

• Modularity

• Redundant data

Which feature of OOP indicates code reusability?

• Abstraction

• Polymorphism

• Encapsulation

• Inheritance

Which among the following doesn’t come under OOP concept?

• Data hiding

• Message passing

• Platform independent

• Data binding

How many types of access specifiers are provided in OOP's ?

• 4

• 3

• 2

• 1

Which of the following is not true about polymorphism?

• Helps in redefining the same functionality

• Increases overhead of function definition always

• It is feature of OOP

• Ease in readability of program

Which access specifier is usually used for data members of a class?

• Protected

• Private

• Public

• Default

Which principle of OOP allows for the same function to be used in different ways?

• Inheritance

• Polymorphism

• Encapsulation

• Abstraction

In OOP, an "object" is:

• An instance of a class

• A type of data structure

• A programming technique

• A method definition

What is an "abstract class"

• A class without any implementation

• A class that cannot be instantiated and must be inherited

• A class that can only contain abstract methods

• A final class that cannot be extended

Which operator can be used to free the memory allocated for an object in C++?

• unallocate()

• free()

• delete()

• collect()