class_instance_methods_syntax.rb

class Hamburger
    def initialize(patty, bun, condiments, cheese)
        @patty = patty #string
        @bun = bun #string
        @condiments = condiments #array of strings
        @cheese = cheese
        @price = 450
    end

    def get_cheese
        return @cheese
    end

    def get_bun
        return @bun 
    end 

    def get_condiments
        return @condiments 
    end 

    def set_cheese(bool)
        @cheese = bool
    end

    def set_conditments(condiment)
        @condiments << condiment
    end 
end

hamburger1 = Hamburger.new('beef', 'brioche', ['tomato sauce'], true)
hamburger2 = Hamburger.new('chicken', 'sesame', ['onion relish', 'mayo'], true)
hamburger3 = Hamburger.new('veggie patty', 'turkish', ['mayonnaise'], true)

hamburger1.get_cheese
hamburger1.set_cheese(false)
condiments = [hamburger1.get_condiments, hamburger2.get_condiments, hamburger3.get_condiments]
hamburger1.set_conditments("bbq sauce")

# this is a simple class that implements a bunch of instance methods 
# point of this example is to teach how a class works and why we need them