摘要: //基类-Person class Person(val na: String, val ag: Int) { //属性 var name: String = na var age: Int = ag } //派生类-sz,继承基类属性 class sz(override val na:String,override val ag:Int,val se:String,val add:... 阅读全文
posted @ 2017-11-16 10:26 信方 阅读(223) 评论(0) 推荐(0) 编辑