S_A_DataClasses.kt

DataClasses.kt

// Example of data class (saved more than 10 lines in comparison to Java)
data class User(val name: String, val surname: String, val age: Int)

// Example of custom getters and setters on a property
class MrUser {
    var name: String = ""
        get() {
            return "Mr. $field" // Get name with "Mr." prefix
        }
        set(newValue) {
            println("old: '$field', new: '$newValue'") // Print change
            field = newValue // Store new value
        }
}