看下面的代码。插入缺失的部分以输出 "Ford"
class Car(var brand: String, var model: String, var year: Int) fun main() { val c1 = Car("Ford", "Mustang", 1969) println(@(2).@(5)) }
class Car(var brand: String, var model: String, var year: Int) fun main() { val c1 = Car("Ford", "Mustang", 1969) println(c1.brand) }