0. 原文

https://www.runoob.com/kotlin/kotlin-class-object.html

1. 新建对象

fun main(args : Array<String>) {

    var mStudent = Student("Jim", 18)

    println("Student name is: ${mStudent.mName}, age is ${mStudent.mAge}")
}

// 构造器
class Student constructor(name: String, age : Int){
    var mName = name
    var mAge = age

    init {
        println("init $mName : $mAge")
    }

}

运行示例

init Jim : 18
Student name is: Jim, age is 18

Process finished with exit code 0