You can change game modes in "Minecraft" by using the "/gamemode" command, but you'll need to enable cheats first.

"Minecraft" offers cross-platform play for both versions of the game — Bedrock and Java — but you can only play with users who own the same version.

Minecraft Java edition beta version There's a little bit more that's in the current Java snapshot version, as it's the only version at the moment with all the new mountain biomes.