中国哪里正在大开发大建设_企业所得税计算公式2022_建网站_网站开发用什么语言

package hfd//1
case class DreamItem(content:String,isDone:Boolean,deadline: String,order:Int)
object Test1111 {def main(args: Array[String]): Unit = {//2val dreamList=scala.collection.mutable.ArrayBuffer[DreamItem]()//3dreamList +=DreamItem("成为一个医生",false,"2023-01-01",100)dreamList +=DreamItem("成为一个歌手",true,"2023-01-01",1)dreamList+=DreamItem("成为一个老师",false,"2023-01-01",100)
//4dreamList(1)=dreamList(1).copy(isDone = true)//5dreamList(2)=dreamList(2).copy(order = 1)
//6dreamList.sortWith(_.order>_.order)//7val topFiveDreamsIterator=dreamList.iterator.take(5)//8println("梦想列表:")for (dream<-topFiveDreamsIterator){println(s"梦想内容:${dream.content},是否完成:${dream.isDone},截止日期：${dream.deadline},优先级:${dream.order}")}}
}