// Exercise 18.13: SomeClass.java
public class SomeClass {
   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};
      String results = someMethod(array, 0);
      System.out.println(results);
   } 
}

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