作业

import scala.util.control.Breaks.{break, breakable}

object work1 {
  def main(args: Array[String]): Unit = {

    breakable {
      while (true) {
        print("请输入要判断的年份(输入0就结束判断) : ")
        val year = scala.io.StdIn.readInt()
        if (year == 0) {
          break
        }
        if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)) {
          println(s"${year} 是闰年")
        } else {
          println(s"${year} 不是闰年")
        }
      }
    }
  }
}

object work2 {
  def main(args: Array[String]): Unit = {
    val stu3 = new Student("小明")
    stu3.sayHi()
    class Student(var name: String, var age: Int) {
      println("构造函数被调用...")

      def sayHi(): Unit = {
        println(s"我是${name},我今年${age}")
      }

      def this() = {
        this("无名氏", 0)
        println("辅助构造函数1被调用...")
      }

      def this(name: String) = {
        this(name, 0)
        println("辅助构造函数2被调用...")
      }
    }
  }
}