private static void sort(String alg, Comparable[] a)
	{
		String c = (alg.split("[.]"))[0];
		String m = (alg.split("[.]"))[1];
		try
		{
			Class.forName(c).getMethod(m, Comparable[].class)
					.invoke(null, (Object) a);
			System.out.println("Sort method : " + alg);
			// SortHelper.show(a);
			assert SortHelper.isSorted(a);
			System.out.println("Sorting successful!");
		}
		catch (Exception e)
		{
			System.out.println(e);
			System.out.println(e.getCause());
			System.exit(1);
		}
	}