按要求分解字符串，输入两个数M，N；M代表输入的M串字符串，N代表输出的每串字符串的位数，不够补0。例如：输入2,8， “abc” ，“123456789”，则输出为“abc00000”,“12345678“,”90000000”

import java.util.ArrayList;
import java.util.Scanner;

public class Text {

    @SuppressWarnings("resource")
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int M = scanner.nextInt();//M代表输入的M串字符串
        int N=scanner.nextInt();//N代表输出的每串字符串的位数
          ArrayList<String> arrayList = new ArrayList<String>();
          ArrayList<String> arrayList1 = new ArrayList<String>();
          String[] arr=new String[M] ;
          String a=scanner.next();
          arr=a.split(",");
          for (int i = 0; i < arr.length; i++) {
            arrayList.add(arr[i]);
        }
          for (int i = 0; i < arrayList.size(); i++) {
            if (arrayList.get(i).length() < N) {
                String temp0="" ;
                for (int j = 0; j < N - arrayList.get(i).length(); j++) {
                    temp0 = temp0 + "0";
                }
                arrayList1.add(arrayList.get(i) + temp0);
            }
            if (arrayList.get(i).length() >N) {
                String temp=arrayList.get(i);
                int t=(int) Math.ceil((double)temp.length()/N);
                for (int j = 0; j < t; j++) {
                    if (j==t-1) {
                        if ((temp.substring(N*j)).length()<N) {
                            String temp1 = "";
                            for (int s = 0; s < N - (temp.substring(N*j)).length(); s++) {
                                temp1 = temp1 + "0";
                            }
                            arrayList1.add(temp.substring(N*j)+temp1);
                        }else {
                            
                            arrayList1.add(temp.substring(N*j));
                        }
                    }else {
                        arrayList1.add(temp.substring(N*j, N*(j+1)));
                    }
                    
                }
              }
            }
        
        for (String string : arrayList1) {
            System.out.print(string+" ");
        }
    }

}