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”

 1 import java.util.ArrayList;
 2 import java.util.Scanner;
 3
 4 public class Text {
 5
 6     @SuppressWarnings("resource")
 7     public static void main(String[] args) {
 8         Scanner scanner = new Scanner(System.in);
 9         int M = scanner.nextInt();//M代表输入的M串字符串
10         int N=scanner.nextInt();//N代表输出的每串字符串的位数
11           ArrayList<String> arrayList = new ArrayList<String>();
12           ArrayList<String> arrayList1 = new ArrayList<String>();
13           String[] arr=new String[M] ;
14           String a=scanner.next();
15           arr=a.split(",");
16           for (int i = 0; i < arr.length; i++) {
17             arrayList.add(arr[i]);
18         }
19           for (int i = 0; i < arrayList.size(); i++) {
20             if (arrayList.get(i).length() < N) {
21                 String temp0="" ;
22                 for (int j = 0; j < N - arrayList.get(i).length(); j++) {
23                     temp0 = temp0 + "0";
24                 }
25                 arrayList1.add(arrayList.get(i) + temp0);
26             }
27             if (arrayList.get(i).length() >N) {
28                 String temp=arrayList.get(i);
29                 int t=(int) Math.ceil((double)temp.length()/N);
30                 for (int j = 0; j < t; j++) {
31                     if (j==t-1) {
32                         if ((temp.substring(N*j)).length()<N) {
33                             String temp1 = "";
34                             for (int s = 0; s < N - (temp.substring(N*j)).length(); s++) {
35                                 temp1 = temp1 + "0";
36                             }
37                             arrayList1.add(temp.substring(N*j)+temp1);
38                         }else {
39
40                             arrayList1.add(temp.substring(N*j));
41                         }
42                     }else {
43                         arrayList1.add(temp.substring(N*j, N*(j+1)));
44                     }
45
46                 }
47               }
48             }
49
50         for (String string : arrayList1) {
51             System.out.print(string+" ");
52         }
53     }
54
55 }