import javax.inject.Singleton;
import dagger.Module;
import dagger.Provides;
@Module
public class VehicleModule {
@Provides @Singleton
Motor provideMotor(){
return new Motor();
}
@Provides @Singleton
Vehicle provideVehicle(){
return new Vehicle(new Motor());
}
}
Every provider (or method) must have the @Provides annotation and the class must have the @Module annotation. The @Singleton annotation indicates that there will be only one instance of the object.