PragmaticCoding

class KotlinClass() {
    public var nickName: String = ""
        set(value) {
            field = value
            println("in the setter")
        }
        get() {
            println("in the getter")
            return field
        }

PragmaticCoding

class KotlinClass() {
    public var nickName: String = ""
}

fun main(args: Array<String>) {
    val testClass = KotlinClass()
    testClass.nickName = "Shorty"
    println("Nickname: $testclass.nickName")
}

PragmaticCoding

    private final StringProperty firstName = new SimpleStringProperty("Alloysius");

    public String getFirstName() {
        return firstName.get();
    }

    public StringProperty firstNameProperty() {
        return firstName;
    }