implement modulename

include modulename

import modulename

add modulename

binds together the data and functions that manipulate the data, and

that open them both for outside interference and misuse. Its call data opening

unbinds together the data and functions that manipulate the data, and

that keeps both safe from outside interference and misuse

binds together the data and functions that manipulate the data, and

that keeps both safe from outside interference and misuse. Its call hiding data

Encapsulation

Procedure

Class and methods

Message passing

Polymorphism

class_instance =

my_Class.new

class_instance =

my_Class()

class_instance = new

my_Class()

Cannot inherit from anything

Another module

Class

Only

in class, where they are present

They

are accessible from anywhere

In

class, where they are present, and in child classes

They

are accessible from anywhere

Only

in class, where they are present

In

class, where they are present, and in child classes

get

and set get instance variables

set

get instance variables

get

instance variables

8

3

4

0

1

Error

4