Landlord

class Land(
    width: Float,
    length: Float) {

}

class Peasant(
    name: String
) {

    var money = 100
    var isBusy = false

    fun getMoney(count: Int) : Int {
        money -= count
        return count
    }

    fun graze(cattle: ArrayList<Animal>) {
        println("Cattle grazing...")
        isBusy = true
    }

}

class Animal() {  }

class Landlord(
    val name: String,
    val land: Land,
    val peasants: ArrayList<Peasant>,
    val cattles: ArrayList<Animal>) {

    var money = 0

    fun gather() {
        peasants.forEach { money += it.getMoney(10) }
    }

    fun hire(p: Peasant) {
        peasants.add(p)
    }

    fun makeSomeoneGrazeCattle() {
        for (p in peasants) {
            if(!p.isBusy)
                p.graze(cattles)
            break
        }
    }

}

fun main() {

    val peasants = ArrayList<Peasant>(10)
    peasants.add(Peasant("Boris"))

    val cattles = ArrayList<Animal>(10)
    cattles.add(Animal())

    val landlord = Landlord(
        "",
        Land(100.0f, 100.0f),
        peasants,
        cattles
    )

    landlord.makeSomeoneGrazeCattle()
    landlord.gather()

}