jdbc:mysql://localhost:3306/db?noAccessToProcedureBodies=true&useUnicode=true&characterEncoding=UTF-8&characterSetResults=UTF-8&connectionCollation=UTF8_PERSIAN_CI

Statement stmt = (Statement) conn.createStatement();
stmt.executeQuery("SET NAMES UTF8 COLLATE UTF8_PERSIAN_CI");
stmt.close();

character-set-client=utf8mb4
character_set_connection=utf8mb4
character_set_database=utf8
character_set_filesystem=binary
character_set_results=utf8
character_set_server=utf8
character_set_system=utf8

[client]
default-character-set = utf8

[mysql]
default-character-set = utf8

[mysqld]
character-set-server=utf8
collation-server = utf8_persian_ci