private static final char[] digits = {'0','1','2','3','4','5','6','7','8','9'};

...

public void func(int toConvert){

...

		int max = 1000000000;
		countLen = 0;
		boolean significant = false;
		while(max > 0)
		{
			final int thisDigit = toConvert/ max;
			if(!significant && thisDigit == 0)
			{
				max /= 10;
				continue;
			}
			significant = true;
			count[countLen++] = digits[thisDigit];
			toConvert -= thisDigit * max;
			max /= 10;
		}
		count[countLen] = 0;
...

}