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);
        String str = in.next();
        int i = 0;  //记录尾数

        //主要用Stirng类的substring()方法
        for (; i + 8 <= str.length(); i+=8) {
            String str1 = str.substring(i, i + 8);
            System.out.println(str1);
        }
        if (i < str.length() ) {
            String str1 = str.substring(i);
            int sub = 8 - str1.length();  //补 sub个零
            for (int j = 0; j < sub; j++) {
                str1  = str1 + 0;
            }
            System.out.println(str1);
        }
    }
}