OOP

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

• Encapsulation
• Abstraction
• Data hiding
• Data binding

How many objects can be made from a class? 

• None, you make classes from objects
  
• one
• As many as you want
• All of the above

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.

The wrapping up of data and functions into a single unit is called

• overloading
• class
• object
• encapsulation 

Which of the following statements is incorrect?

• Class is an object factory
• Class is a composite type.
• Class is an instance of an object.
• Class is a user defined type.