One thing I would add: if you’re serializing with something off the shelf like JSON, you’ll probably also want to (recursively) sort object fields as well as no

One thing I would add: if you’re serializing with something off the shelf like JSON, you’ll probably also want to (recursively) sort object fields as well as non-ordered collections like Maps or Sets. At which point JSON may still be a good starting point but doesn’t give as much “for free” as it might seem at first.