# Iterate once and only once through all the possible configurations of an array

**URL:** https://discourse.processing.org/t/iterate-once-and-only-once-through-all-the-possible-configurations-of-an-array/22366
**Category:** Coding Questions
**Created:** [July 3, 2020, 7:37pm UTC](https://discourse.processing.org/t/iterate-once-and-only-once-through-all-the-possible-configurations-of-an-array/22366 "2020-07-03T19:37:07Z")
**Posts on this page:** 1
**Showing post:** 12

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### Author: ![whistlinpete](https://avatars.discourse-cdn.com/v4/letter/w/0ea827/32.png) [@whistlinpete](https://discourse.processing.org/u/whistlinpete)
#### Post date: [July 4, 2020, 6:57pm UTC](https://discourse.processing.org/t/iterate-once-and-only-once-through-all-the-possible-configurations-of-an-array/22366/12 "2020-07-04T18:57:43Z")

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Thanks for the tip. I thought I had formatted it right, but apparently not, so I edited it to make it better (but it includes arrays instead of ArrayLists). I’m watching Shiffman videos to figure out ArrayLists, classes, etc.

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