Kotlin Essential Training

Chapter 5 - Section 7

	import java.text.NumberFormat
	import java.util.*

	fun main(args: Array<String>) {
		val item = ClothingItem("Shirt", "L", 19.99)
		println(item)

		item.price = 15.99
		println(item)

		val item2 = ClothingItem("M", 14.99)
		println(item2)
		println("Item type = ${item2.type}")

		item2.price = 10.0
		val f = "%.2f"
		println("Item price = $${f.format(item2.price)}")

		Locale.setDefault(Locale.FRANCE)
		val formatter = NumberFormat.getCurrencyInstance()
		println("Item price = ${formatter.format(item2.price)}")

		val person = Person("Joe", "Smith")
		println("That person is ${person.fullName}")
	}


	data class ClothingItem(private var _type: String?,
							val size: String,
							private var _price: Double) {

		var type: String? = _type
			get() = field ?: "Unknown"

		var price = _price
			set(value) {
				field = value * .9
			}

		constructor(size: String, price: Double) : this(null, size, price)

	}


	data class Person(private val firstName: String,
					  private val lastName: String) {
		val fullName:String
			get() = "$firstName $lastName"
	}