If you play on servers, there is no comparison, or even use mods in singleplayer. WorldEdit is a dealbreaker for most builders, and that's just one specific instance. There are dozens of powerful build tools for servers, and the customizations are endless from a terrain generating perspective. That's not even to say that minigames and the like aren't better in Java: they are. Prison, ThemePark servers, the list goes on.
