import java.util.Scanner;
public class test { public static void main(String[] args) { Scanner Hy=new Scanner(System.in); String Hyper; System.out.println("请输入一个0-1000的整数来求整数各位数的和"); Hyper = Hy.nextLine(); int test = Integer.valueOf(Hyper); if(test > 0 && test <= 1000) { int a = test % 2; int b = test / 10; int c = test / 100; System.out.println("总和为:" + (a + b + c)); } else { System.out.println("完成!"); }}
}