摘要: 类委托 fun main(args: Array<String>) { SingerAgent(Singer()).sing() } interface Singable { fun sing() } //歌手,被委托人 class Singer : Singable { override fun 阅读全文
posted @ 2022-06-01 21:19 strongmore 阅读(149) 评论(0) 推荐(0)
摘要: 定义普通类 fun main(args: Array<String>) { val person = Person("lisi") //不需要使用new关键字 println(person) //useranme:lisi,age:20 val person2 = Person("lisi", 23 阅读全文
posted @ 2022-06-01 18:23 strongmore 阅读(63) 评论(0) 推荐(0)