题解 | HJ4 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);
        String s = in.nextLine();
        StringBuilder sb = new StringBuilder(s);
	    // 补足后按8个一切
        while (sb.length() % 8 != 0) {
            sb.append('0');
        }
	   // 每8个字符输出
        for (int i = 0; i < sb.length(); i = i + 8) {
            System.out.println(sb.substring(i, i + 8));
        }
    }
}