class TestScope6 constructor() {
    var name: String = "saburo"
    var age: Int = 50
    // Unit: 返し値 がないことを示す.
    fun introduce(name: String, age: Int): Unit {
        println("${this.name}、${this.age}歳です")
    }
}

fun main() {
    val testScope6: TestScope6 = TestScope6()
    testScope6.introduce("rokusuke", 60)
}