题解 | #字符串分隔#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextLine()) { // 注意 while 处理多个 case
            String line = in.nextLine();
            int len = line.length();

            //补0
            //int addZero = 8 - (len % 8);
            int addZero = (len % 8 == 0) ? 0: 8 - (len % 8); 
            String strZero = "";
            for(int i=0; i<addZero; i++) {
                strZero = strZero + "0";
            }
            line = line + strZero.toString();
            int len2 = line.length();

            //每8个字符串输出
            for(int i=0; i<len2; i += 8) {
                System.out.println(line.substring(i, Math.min(i + 8, len2)));
            }
        }
    }
}