import java.util.*; public class Number2 { public void run(int number){ if(number > 1000){ System.out.println("输入数字大于1000!"); System.exit(0); } int [] a= new int[3]; a[2] = number /100; a[1] = (number - a[2]*100)/10; a[0] = (number - a[2]*100 - a[1]*10)/1; int total = 0; total = a[0] + a[1] + a[2]; System.out.println("你输入的数字是:" + number + " 它的各位数之和是:" + total);} public static void main(String args[]) { Number2 num = new Number2(); System.out.println("请输入一个1000以内的数"); Scanner reader=new Scanner(System.in); int number = reader.nextInt(); num.run(number); } }
时间: 2024-10-23 15:47:35