题解 | #浮点数的个位数字#

public class Main{
    public static void main(String[] args){
        int num = (int) new Scanner(System.in).nextDouble();//在接收数据时就将double转成int
       if(num>=0&&num<=200){//判断数据范围
          System.out.print(num%10); // num%10是求个位数
       }
    }
}