package examples.entity.single_table; import java.io.Serializable; import javax.persistence.DiscriminatorValue; import javax.persistence.Entity; @Entity(name="CarSingle") @DiscriminatorValue("CAR") public class Car extends RoadVehicle implements Serializable { public final AcceleratorType acceleratorType = AcceleratorType.PEDAL; public Car() { super(); numWheels = 4; } public String toString() { return "Car: "+super.toString(); } }