Exception thread can't figure out why

[night elm]

Trying to make a quicksort and partition method, the quicksort method keeps throwing me an Index out of bounds exception error despite me following the guide completely.

Screenshot of code

[magic ether]

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[night elm]

screenshot of error

I think the error is how I am calling it as the error disappears when I do not call it

[magic ether]

https://stackoverflow.com/questions/5554734/what-causes-a-java-lang-arrayindexoutofboundsexception-and-how-do-i-prevent-it

[versed eagle]

You're double incrementing the i variable in the partition for loop. That could be an issue

[stray hill]

It would be better if you didn't screenshot your code

And actually posted it here in a format

So people could test it and see if they need to

[night elm]

Hey, I didn't get the notification so my bad for the late response.

Don't know if you still want the code but here it is.

[river swift]

because you do int j = (low-1); // indicates greater element
then unsorted_array[j] = unsorted_array[i];
and call that method with low argument as 0. so j = 0-1 == -1
so unsorted_array[-1] - out of bounds

[night elm]

Oof

Calling with 1 does not properly sort it, can you explain what I need to change to get it to sort properly?

[river swift]

https://www.baeldung.com/java-quicksort

[night elm]

Thank you

[magic ether]

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[river swift]

you're welcome

[night elm]

I'll try that article out and come back if I have any bugs that I can't fix

[river swift]

sure

you need to fix in your code only 1 letter. But you need to find it

[night elm]

I genuinely can't find, is it around the calling of the method or in the declaration?

[river swift]

you need j++ instead of i++

[night elm]

OHHHHHH

ITS WORKING

Why do "j" and "i" look so similar 😭

Thank you

[magic ether]

If you are finished with your post, please close it.
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[night elm]

I will close now

[river swift]

np 😉