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
        String str1 = in.nextLine();
        int str1_len = str1.length();
        int j = str1_len / 8;
        while (str1.length() >= 8) {
            for (int i  = 0; i < 8; i++) {
                System.out.print(str1.charAt(i));
                
            }
            System.out.println();
            str1 = str1.substring(8);

        }
        if (str1.length()!= 0) {
            for (int i  = 0; i < str1.length(); i++) {

                    System.out.print(str1.charAt(i));
              
            }
             
             for (int i  = 0; i < 8-str1.length(); i++) {

                    System.out.print(0);
              
            }

        }

    }
}