Thanks, it took me a while. I'd say that Java has more commands, but they both have the same basic commands, like creative mode and such. I haven't tried Bedrock command blocks, but I'd assume it's the same, but less customizable. Bedrock is inherently for littler kids, since it's on mobile, console, and PC, so I think it's supposed to be like that, less complicated
https://100001.onl/ .
It is pretty bad they can't play together, but there's a plugin in Java edition, (Good luck getting that to Bedrock), that allows Bedrock players to connect to a Java server.
However, it only allows mobile and PC Bedrock versions to play together, since console doesn't allow IPs. :)
Thanks for reading! I'm disappointed this didn't get more views, it took a LONG time.