1. Demonstrate composition. Create a HardDrive class with the following attributes.

brand : string

sizeInTB : float

Create a Computer class with the following attributes.

brand : string

drive : HardDrive

2.

Write a Rectangle class that has the following member variables.

length

width

The class should have the following member functions.

Default constructor that sets length and width to 0.0

Constructor that accepts the length and width as arguments

setLength, a mutator function for the length variable

getLength, an accessor function for the length variable

setWidth, a mutator function for the width variable

getWidth, an accessor function for the width variable

calculateArea, returns area, which is calculated as area = length width

calculatePerimeter, returns perimeter, which is calculated as perimeter = 2 length + 2 width