import com.nubeiot.core.IConfig; import com.nubeiot.core.NubeConfig; import com.nubeiot.core.NubeConfigApp; public class MyApp { private static final IConfig CONFIG = NubeConfig.load("config.json"); public static void main(String[] args) { String dbUrl = CONFIG.getString("db.url"); int dbPort = CONFIG.getInteger("db.port"); // ... } }