个回答

• 慕粉3707537

  2016-07-28 17:55:27

  已采纳

  public class HelloWorld{

  public static void main(String[] args){

  int num = 999;

          int count = 0;

      if(num>=0&&num<=999999999){

       while(num != 0){

      count++;

      num/=10;

      }

      System.out.println("它是个"+ count+"位的数！");

      } 

      }

  }

  
  

  1

• D勝ian3574492

  2016-07-28 17:49:43

  int num =41241;

  int count = 0;

  if(num!=0

  &&num>=-999999999&&num<=999999999

  )

  {

  for(;num!=0;num/=10)

  { count++;

  System.out.println(num);

  }

  System.out.println("它是一个"+count+"位数！");

  }

  else

  System.out.println("您的输入有误，请重新输入！");

  
  

  1

• qq_迷茫狂人_03711589

  2016-07-28 17:49:23

  可能是中英文符号错了吧
  

  
  

  1