while语句1. ``` object scala1 { def main(args: Array[String]):

object scala1 {
  def main(args: Array[String]): Unit = {
    var i = 0
    while( i <= 3000){
      println(s"${i},I miss you")
      i +=1
    }
    println("循环结束")
  }

}

object scala2 {
  def main(args: Array[String]): Unit = {
    var i = 1
    while(i<= 100){
      println(i)
      i += 1
    }
  }

}

object scala3 {
  def main(args: Array[String]): Unit = {
    var i = 1
    while(i<= 100){
      if(i%2 == 1){
        println(i)
      }
      i += 1
    }
  }

}

object scala4 {
  def main(args: Array[String]): Unit = {
    while (true){
      print("请输入你要判断的年龄")
      var year = scala.io.StdIn.readInt()
      if(year%400 == 0 ||(year%4==0 && year%100!=0)){
        println(s"$year 是闰年")

      }else {
        println((s"$year 不是闰年"))
      }
    }
  }

}
~~```~~