package org.model; /* * GasCar extends Car. * Inherits Serviceable from Car. * * Service logic for GasCar: * - needsService(): return true if mileage > 12000 * - performService(): * Print "Engine oil changed" * Reset fuelLevel to 100 */ import org.behavior.Refuelable; public class GasCar extends Car implements Refuelable { private double fuelLevel; private String fuelType; public GasCar(String brand, String model, int year, double mileage, int seats, double fuelLevel, String fuelType) { super(brand, model, year, mileage, seats); this.fuelLevel = fuelLevel; this.fuelType = fuelType; } // TODO: Override getEnergyType() → return fuelType + " (Gas)" @Override public String getEnergyType() { return fuelType +" (gas)"; } // TODO: Implement refuel(double amount) // Validate amount // Cap at 100 public void refuel(double amount){ if(amount < 0) System.out.println("amount unacceptable"); else{ if (fuelLevel + amount > 100) fuelLevel = 100; else fuelLevel += amount; } } // TODO: Override showDetails() // Call super.showDetails() // Print fuel level and fuel type @Override public void showDetails() { super.showDetails(); System.out.println(" | fuelLevel: " + fuelLevel + " | fuel type: " + fuelType); } @Override public boolean needsService(Vehicle v) { return getMileage() > 12000; } @Override public void performService() { super.performService(); System.out.println("engine and oil checked"); this.fuelLevel = 100; } }