OOP: CLASS, OVERLOADING

// CLASS: OVERLOADING
class vehicles {
    // SET PROPERTIES
    var name: String? = null
    var wheels: String? = null
    var wing: Int? = null
    var color: String? = null

    constructor()

    // Constructor
    constructor(name: String, wheels: String, wing: Int, color: String) : this() {
        this.name = name
        this.wheels = wheels
        this.wing = wing
        this.color = color

        println("OBJECT, Name: " + this.name + " wheels: " + this.wheels + " wing: " + this.wing + " color: " + this.color)
    }

    constructor(name: String, wheels: String, color: String) : this() {
        this.name = name
        this.color = color
        this.wheels = wheels

        println("OBJECT, Name: " + this.name + " wheels: " + this.wheels + " color: " + this.color)
    }

    constructor(name: String, color: String, wing: Int) : this() {
        this.name = name
        this.color = color
        this.wing = wing

        println("OBJECT, name: " + this.name + " wing: " + this.wing + " color: " + this.color)
    }

    constructor(name: String, color: String) : this() {
        this.name = name
        this.color = color

        println("OBJECT, Name: " + this.name + " color: " + this.color)
    }
}

fun main() {

    var jet = vehicles("jet", "3", 2, "dark blue")
    var truck = vehicles("truck", "8", "yellow")
    var bike = vehicles("bike", "black")
    var plane = vehicles("plane", "black", 6)
    var rocket = vehicles("rocket", "white", 2)
}