maintain the median with heaps 3

mmwh3.java

public double findMedian(int[] arr)
{
  double median = Integer.MAX_VALUE;
	for(int i=0;i<arr.length;i++)
	{
		adjustHeaps(median);
		if(arr[i] <= median)
		{
			maxHeap.add(arr[i]);
		}
		else minHeap.add(arr[i]);
		median = getMedian();
	}
	return median;
}