解题思路:
注意事项:
参考代码:
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
List<String> list = new ArrayList<>();
while (sc.hasNext()) {
String temp = sc.nextLine();
list.add(temp);
}
for (String str : list) {
System.out.println(everySum(str));
}
}
public static int everySum(String str) {
int sum = 0;
for (int i = 0; i < str.length(); i++) {
int temp = str.charAt(i) - '0';
sum += temp;
}
if (sum >= 10) {
//保证其返回的是最后一个sum
return everySum(Integer.toString(sum));
} else {
return sum;
}
}
}
0.0分
1 人评分