package Ġcom . example application . database Ċ Ċ import Ġandroidx . room . Database Ċ import Ġandroidx . room . Room Database Ċ import Ġcom . example application . database . product . Product DAO Ċ import Ġcom . example application . database . product . Product Entity Ċ Ċ @ Database ( ĊĠĠĠ Ġentities Ġ= Ġ[ ĊĠĠĠĠĠĠĠ ĠProduct Entity :: class ĊĠĠĠ Ġ], ĊĠĠĠ Ġversion Ġ= Ġ 1 Ċ ) Ċ abstract Ġclass ĠApp Database Ġ: ĠRoom Database () Ġ{ ĊĊĠĠĠ Ġabstract Ġfun Ġproduct Dao (): ĠProduct DAO Ċ Ċ }