L2W3

Which of the following are the concepts of OOP?

• Encapsulation

• Polymorphism

• Abstraction

• Inheritance

Which feature of OOPS derives the class from another class?

• Inheritance

• Data hiding

• Encapsulation

• Polymorphism

Which of the following OOP concept binds the code and data together and keeps them secure from the outside world?

• Polymorphism

• Inheritance

• Abstraction

• Encapsulation

Which of the following concepts of OOPS means exposing only necessary information to client?

• Encapsulation
• Abstraction
• Data hiding
• Data binding

What is the difference between a class and an object?

• A class is a blueprint to make an object
• An object is a blueprint to make a class
• A blueprint is an object to make a class
• Blueprint class is an object make a

Which one is not the basic element of OOP?

• Class
• Abstraction
• BlueJ
• Polymorphism

An object is an instance of a:

• parameter
• method
• class
• application

These have identity, state, and behavior.

• class
• object
• method
• void

As a blueprint is a design for a house, a class is a design for a(n):

• object
• variable
• constant
• statement

The process by which objects of one class acquire the properties of objects of another class is known as

• Polymorphism
• Inheritance
• Data Hiding
• None of the above.