1  import java.util.Arrays;

  2  

  3  /**

  4     This program demonstrates the merge sort algorithm by

  5     sorting an array that is filled with random numbers.

  6  */

  7  public class MergeSortDemo

  8  {  

  9     public static void main(String[] args)

 10     {  

 11        int[] a = ArrayUtil.randomIntArray(20, 100);

 12        System.out.println(Arrays.toString(a));

 13  

 14        MergeSorter sorter = new MergeSorter(a);

 15        sorter.sort();

 16        System.out.println(Arrays.toString(a));

 17     }

 18  }

 19