Object Orientated Programming (BTEC Computing)

Which of the following is a mechanism by which object acquires the properties of another object?

• Encapsulation
•  Abstraction
• Inheritance
•  Polymorphism

Which of the these is the functionality of ‘Encapsulation’?

• Binds together code and data

• Using single interface for general class of actions

• Reduce Complexity

• All of the mentioned

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

An object is an instance of a:

• parameter
• method
• class
• application

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

• overloading
• class
• object
• encapsulation 

You can make changes to an object with

• methods

• attributes

• modifiers

• parameters

___________ are special methods that can be used to create and initialize an object

•  Constructors
• classes
• Interfaces
• Objects

Constructors are called just once when ______.

• an object is being created
• a class is being terminated
• class is being closed
• an object is being destroyed

What is an object?

• Everything

• An instance of a class

• A detail of a class

• A class of details

A method is...

• A way of calculating things in Java

• A strategy for programming

• A predefined set of instructions in a class

• A way to sore details in a class