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) {
        //mainly use substring() method
        String FORMAT_STRING  = "0000000";
        Scanner in = new Scanner(System.in);
        String s = in.nextLine();
	    if(s.isEmpty()) return;
        while(s.length() >8){
            System.out.println(s.substring(0,8));
            s = s.substring(8); //improvement: beginIndex = 8
        }
        System.out.println((s+FORMAT_STRING).substring(0,8));
    }
}