Naming Playground

Things we talked about:

• DRY = Don't Repeat Yourself
• Identifier
• Start with a lower case letter
• Camel Case
• Constant (keyword "let")
• Variable (keyword "var")
• Autocompletion - use the arrow, tab, and return keys
• Assignment operator (=)
• Making your code understandable

Pet Show code

let numberOfTickets = 150
let ticketPrice = 10
let roomRentalFee = 1000
let posterCost = 40

let revenue = numberOfTickets * ticketPrice
let expenses = roomRentalFee + posterCost
let income = revenue - expenses

iPhone Video code

let iPhoneCapacity = 64000
let iPhoneCapacityUsed = 10000
let iPhoneCapacityAvailable = iPhoneCapacity - iPhoneCapacityUsed

let mbPerMinuteOfVideo = 180
let minutesOfVideoAvailable = iPhoneCapacityAvailable / mbPerMinuteOfVideo

Watermelons and Oranges code

Understanding this code means understanding what each of the abbreviated variable names means. Understanding the variable names means you must understand what the problem is and how to solve it. This is a mathematical problem and you should be able to figure out what they are trying to do. Understanding what you are trying to accomplish, using math, is the first part of accomplishing any programming task.

co = orange pallet count
cw = watermelon pallet count
ow = orange pallet weight
ww = watermelon pallet weight
to = total weight of oranges
tw = total weight of watermelons
ttl = total weight
es = weight on each side of the truck
lhso = orange pallets on the left hand side of the truck
rhso = orange pallets on the right hand side of the truck