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[1.9] Saving Custom Java Object to an Item's NBT


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I haven't researched NBT much, however I was wondering whether it would be possible to store a custom Java object(not minecraft object, like an instance of a java class) as NBT to an item? How would I go about doing this, can anyone help, or provide any pages that may cover this?

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You need to break down your object and the objects it's composed of into the basic data types supported by NBT: compound tags for complex objects, list tags for collections, string tags for strings, numeric tags for numbers and numeric array tags for collections of numbers. You should implement


on classes that can be serialised to NBT.


To attach data to an






(or any other


), use the Capability system.


To attach data to a dimension or save, use World Saved Data.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

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