scala

object basic1 {
  def main(args: Array[String]): Unit = {
    var a = 0
    while (a <= 3000){
      println(s"${a}, I miss you!")
      a += 1
    }
    print("循环结束")
  }
}

取1~100的奇数：

代码如下：

css
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object basic3 {
  def main(args: Array[String]): Unit = {
    var a = 1
    while (a % 2 != 0 & a <= 100){
      println(a)
      a += 2
    }
  }
}

ini
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object basic3 {
  def main(args: Array[String]): Unit = {
    var sum = 0;
    var a = 1;
    while (a <= 100){
      sum = sum + a
      a += 1;
    }
    println(sum)
  }
}

object basic4 { def main(args: Array[String]): Unit = { while (true){ print("请输入你要判断的年份：") 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") } } } }