使用String.format方法进行格式化

public class Main
/*
来 自*
 n  o  w  j  a  v  a . c o m
*/

{

   public static String someMethod(int[] array2, int x)

   {

      if (x < array2.length)

         return String.format(

            "%s%d ", someMethod(array2, x + 1), array2[x]);

      else

         return "";

   } 


   public static void main(String[] args)

   {

      int[] array = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}