Add HybridCar class (Bonus)

src/main/java/org/model/HybridCar.java

@@ -0,0 +1,63 @@
+package org.model;
+
+import org.behavior.Chargeable;
+import org.behavior.Refuelable;
+
+public class HybridCar extends Car implements Refuelable, Chargeable {
+    private double fuelLevel;
+    private String fuelType;
+    private int batteryCapacity;
+    private double chargeLevel;
+
+    public HybridCar(String brand, String model, int year,
+                     double mileage, int seats,
+                     double fuelLevel, String fuelType, int batteryCapacity, double chargeLevel){
+        super(brand, model, year, mileage, seats);
+        this.fuelLevel = fuelLevel;
+        this.fuelType = fuelType;
+        this.batteryCapacity = batteryCapacity;
+        this.chargeLevel = chargeLevel;
+    }
+
+    @Override
+    public String getEnergyType() {
+        return "Gas & Electricity";
+    }
+
+    @Override
+    public void refuel(double amount) {
+        if(fuelLevel + amount <= 100){
+            fuelLevel += amount;
+        }
+    }
+
+    @Override
+    public void charge(double amount) {
+        if(amount < 0){
+            System.out.println("Error: can\'t add negative number!");
+            return;
+        }
+        if(chargeLevel + amount <= 100){
+            chargeLevel += amount;
+        }
+    }
+
+    @Override
+    public void showDetails() {
+        super.showDetails();
+        System.out.printf(", Fuel Type: %s, Fuel Level: %s, Battery Capacity: %s, Charge Level: %s\n",
+                fuelType, fuelLevel, batteryCapacity, chargeLevel);
+    }
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        return v.getMileage() > 10000;
+    }
+
+    @Override
+    public void performService() {
+        System.out.println("Engine oil changed and battery system checked");
+        fuelLevel = 100;
+        chargeLevel = 100;
+    }
+}