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open class Person(var name : String, var age : Int){// 基类 } class Student(name : String, age : Int, var no : String, var score : Int) : Person(name, age) { } // 测试 fun main(args: Array<String>) { val s = Student("W3xue", 18, "S12346", 89) println("学生名: ${s.name}") println("年龄: ${s.age}") println("学生号: ${s.no}") println("成绩: ${s.score}") }
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