public class GrowingArray
{
	Object[] array;
	int count;
	int capacity;

	public void appending(Object obj)
	{
		// grow array if needed
		if (count == capacity)
		{
			int i, newLen = capacity + 3;	/* 3 is an arbitrary increment here */
			Object[] newArray = new Object[newLen];
			for (i = 0; i < count; ++i)	// copy items
			{
				newArray[i] = array[i];
			}
			array = newArray;
		}

		array[count] = obj;
		++count;
	}
}