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);
        StringBuffer sb = new StringBuffer();
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextLine()) { // 注意 while 处理多个 case
            String str = in.nextLine();

            if (str == null) {
                System.out.println("00000000");
            } else {
                if (str.length() < 8) {
                    for (int i = 0; i < 8 - str.length(); i++) {
                        sb.append("0");
                    }
                    System.out.println(str + sb);
                } else {
                    int offset = 0;
                    for (int i = 0; i < str.length() / 8; i++) {
                        System.out.println(str.substring(offset, offset + 8));
                        offset += 8;
                    }

                    if (str.length() % 8 > 0) {
                        for (int i = 0; i < 8 - str.length() % 8; i++) {
                            sb.append("0");
                        }
                        System.out.println(str.substring(offset) + sb);
                    }
                }
            }
        }
    }
}