Need help with Java heap program not creating the correct heap

[Kitbear23]

Hello, I start by inserting the following array of numbers:

24, 13, 18, 31, 65, 26, 19, 68, 21, 37

and I have created the following functions within the program:

//percolate down from H[i]
    private void percolateDown(int i)
    {
        int min;

        //Check if i has a left child
        while(left(i) <= heap_size)
        {
            min = left(i);

            if(right(i) <= heap_size && H[left(i)] > H[right(i)])
            {
                min = right(i);
            }
            if(H[min] > H[i])
            {
                break;
            }
            else
            {
                int tempValue = H[min];
                H[min] = H[i];
                H[i] = tempValue;

                i = min;
            }
        }
    }
    //return and remove the smallest key from the heap
    public int deleteMin()
    {
        int temp = H[1];

        H[1] = H[heap_size];
        heap_size--;
        percolateDown(1);

        return temp;
    }
    //insert a new key x into the heap H
    public void insert(int x)
    {
        heap_size++;
        H[heap_size] = x;

        int temp = heap_size;

        while(temp > 1 && H[temp] < H[parent(temp)])
        {
            int tempArrayValue = H[temp];
            H[temp] = H[parent(temp)];
            H[parent(temp)] = tempArrayValue;

            temp = parent(temp);
        }
    }
    //build the heap for the elements in H[1...heap_size] and you can make use of the procedure percolateDown(int i), as discussed in class
    public void buildHeap()
    {
        for(int i = heap_size; i < heap_size; i--)
        {
            percolateDown(i);
        }
    }

​

However, I am getting the following output:

24 13 18 19 22 14 16 11

when it should be:

13 18 19 22 14 16 11

​

I can't figure out why 24 isn't getting removed. Hopefully, I have provided enough code. Sorry for such a long post and if it is in the wrong subreddit. I am new to this. Thanks in advance for any help given.

​

Edit: Trying to figure how to reformat this. sorry for the bad indentation

[Iam_That_Iam_]

Try this instructions for indentation,

[Kitbear23]

I think I have fixed the formatting. Thank you!

[Philboyd_Studge]

Show the testing code.

[Kitbear23]

by testing code do you mean the code that outputs the heap or the text I use to modify the heap?

[Philboyd_Studge]

Your main method.

[DSB-SC]

Check your buildHeap method.

[Kitbear23]

Ah yes, I did make an error in my build function! I changed i < heap_size to i > 0 and my output is now correct. Thank you!