For full mod functionality, specialized bridge tools automate the folder structure and basic mapping.
: Open Blockbench and select "Java Block/Item" to import your .json model from the Java mod. convert jar to mcaddon work
You need the raw textures ( .png ) and localization (text names). For full mod functionality
: There is no 100% automated converter that turns complex Java code into Bedrock behaviors. However, tools like the Stonebyte Toolkit convert jar to mcaddon work
If the "mod" is actually a resource pack or simple data pack within a .jar :