Although Minecraft's Java and Bedrock Editions are quite different, it's still possible to convert an existing Java world to Bedrock if you don't mind there being some differences to the world ...

In the Minecraft Java 1.19 update, players can either play the game alone or with other players in a multiplayer world.

Minecraft maps are vital for exploration, aiding navigation and marking significant locations. Learn how to craft, use, and upgrade maps in Java and Bedrock Editions.