D2 prez

gistfile1.java

@Module
public class ApiModule {

    private User user;

    public ApiModule(User user) {
        this.user = user;
    }

    @Provides
    @Singleton
    public Api providesApi() {
        return new Api(user);
    }
}

@Module
public class DatabaseModule {

    @Provides
    public Database providesDatabase() {
        return new Database();
    }
}

@Component(modules = {ApiModule.class, DatabaseModule.class})
@Singleton
public interface DataAccessComponent {

    Api api();

    Database database();
}