allows us to treat a List containing both gas and electric vehicles uniformly, calling a .refuel() method that behaves differently depending on the specific object type. 5. Conclusion
: A double representing the current gas or charge. IsRunning : A boolean flag to track the engine state. 3. Implementation Example Below is a standard implementation of a robust Car class. car-class-java
A "solid" Car class often serves as a parent class. Through , we can create specialized classes like ElectricCar or Truck that inherit the properties of Car but add specific features (e.g., batteryCapacity or towingLimit ). allows us to treat a List containing both