There is a critical difference between a Bedrock seed and a Java seed, because each one correlates to it's own specific version of Minecraft.

How to change game modes in 'Minecraft: Bedrock Edition' In "Bedrock Edition," you'll need to enable cheats when you create the world - there's no way to enable them in an existing world.

THE Minecraft 1.16 Nether update has been rolled out to Bedrock and Java versions of the game, with a massive changelog.

Minecraft Java Edition players can only cross-play with people on the same version, which is relegated to PC, Mac, and Linux.