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/**用户基类**/ open class Person(name:String){ /**次级构造函数**/ constructor(name:String,age:Int):this(name){ //初始化 println("-------基类次级构造函数---------") } } /**子类继承 Person 类**/ class Student:Person{ /**次级构造函数**/ constructor(name:String,age:Int,no:String,score:Int):super(name,age){ println("-------继承类次级构造函数---------") println("学生名: ${name}") println("年龄: ${age}") println("学生号: ${no}") println("成绩: ${score}") } } fun main(args: Array<String>) { var s = Student("W3xue", 18, "S12345", 89) }
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