public static String[] range(char start, char end)
	{
		if (start >= end)
			throw new IllegalArgumentException("Start >= end");
		
		String[] charsRange = new String[end - start + 1];
		
		int idx = 0;
		for (char value = start; value <= end; value++)
		{
			charsRange[idx++] = value + "";
		}
		
		return charsRange;
	}