第二次作业（2）

package work;
 
import java.util.*;
 
public class text {
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        //一个三位数整数，求各位整数的和
        System.out.println("请输入一个1~1000的整数：");
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b, c, d, e, sum;
        e = a / 1000;
        b = a / 100 % 10;
        c = a  / 10 % 10;
        d = a % 10;
        sum = b +c +d +e;
        System.out.println("结果为" + sum);
    }
}