Add completed exercises to develop branch

src/main/java/org/Main.java

@@ -1,126 +1,81 @@
 package org;
 
+import org.behavior.Serviceable;
+import org.model.*;
+import org.util.VehicleInspector;
+
 public class Main {
     public static void main(String[] args) {
 
         // ============================================================
-        // TODO 1:
-        // Create one instance of each vehicle type:
-        //    - ElectricCar
-        //    - GasCar
-        //    - SportsCar
-        //
-        // Requirements:
-        //   • Use the constructors you created in each class.
-        //   • Provide realistic values (brand, model, year, mileage, etc.).
-        //   • Store them in variables such as:
-        //          ElectricCar tesla = new ElectricCar(...);
+        // TODO 1: Create vehicle instances
         // ============================================================
+        ElectricCar tesla = new ElectricCar(
+                "Tesla", "Model S", 2022, 1000,
+                5, 100, 75
+        );
 
+        GasCar toyota = new GasCar(
+                "Toyota", "Corolla", 2018, 85000,
+                5, 50, "Petrol"
+        );
 
+        SportsCar ferrari = new SportsCar(
+                "Ferrari", "F8 Tributo", 2021, 12000,
+                2, 60, "Premium", 2.9
+        );
 
-
+        HybridCar prius = new HybridCar(
+                "Toyota", "Prius", 2023, 15000,
+                5, 40, 60
+        );
 
         // ============================================================
-        // TODO 2:
-        // Create an array of Vehicle:
-        //       Vehicle[] vehicles = { ... };
-        //
-        // This array MUST contain the objects created above.
-        // This demonstrates **polymorphism** because all different
-        // subclasses (ElectricCar, GasCar, SportsCar) are stored
-        // as their parent type (Vehicle).
+        // TODO 2: Create array of Vehicle (polymorphism)
         // ============================================================
-
-
-
-
+        Vehicle[] vehicles = { tesla, toyota, ferrari, prius };
 
         // ============================================================
-        // TODO 3:
-        // Loop through the Vehicle[] array and:
-        //   • Call v.basicInfo();
-        //   • Print a blank line after each.
-        //
-        // Purpose:
-        //   Demonstrate that all subclasses share the same Vehicle
-        //   behavior and can call inherited methods.
+        // TODO 3: Loop through vehicles and print basic info
         // ============================================================
-
-
-
-
+        System.out.println("=== Vehicle Basic Info ===");
+        for (Vehicle v : vehicles) {
+            v.basicInfo();
+            System.out.println();
+        }
 
         // ============================================================
-        // TODO 4:
-        // Use VehicleInspector to inspect each vehicle:
-        //
-        //     VehicleInspector.inspect(v);
-        //
-        // Purpose:
-        //   • Demonstrate the use of `instanceof`
-        //   • Show subclass‑specific inspection messages
+        // TODO 4: Inspect each vehicle using VehicleInspector
         // ============================================================
-
-
-
-
+        System.out.println("=== Vehicle Inspection ===");
+        for (Vehicle v : vehicles) {
+            VehicleInspector.inspect(v);
+            System.out.println();
+        }
 
         // ============================================================
-        // TODO 5:
-        // Create an array of Serviceable:
-        //       Serviceable[] serviceables = { ... };
-        //
-        // This demonstrates **interface‑based polymorphism**.
-        // Every Car subtype implements Serviceable.
-        //
-        // IMPORTANT:
-        //   • You must cast to Vehicle when needed:
-        //           Vehicle v = (Vehicle) s;
-        //
+        // TODO 5: Create array of Serviceable
         // ============================================================
-
-
-
-
+        Serviceable[] serviceables = { tesla, toyota, ferrari, prius };
 
         // ============================================================
-        // TODO 6:
-        // Loop through the Serviceable[] array:
-        //
-        // Steps inside loop:
-        //
-        //   1. Cast the current object to Vehicle:
-        //          Vehicle v = (Vehicle) s;
-        //
-        //   2. Check:
-        //          if (s.needsService(v)) { ... }
-        //
-        //   3. If true:
-        //          - Print a message showing brand + model
-        //          - Call s.performService();
-        //
-        //   4. Otherwise:
-        //          - Print that the car does not need service
-        //
-        // Add blank lines between each item for readability.
+        // TODO 6: Loop through serviceables and perform service
         // ============================================================
-
-
-
-
+        System.out.println("=== Service Check ===");
+        for (Serviceable s : serviceables) {
+            Vehicle v = (Vehicle) s;
+            if (s.needsService(v)) {
+                System.out.println(v.getBrand() + " " + v.getModel() + " needs service:");
+                s.performService();
+            } else {
+                System.out.println(v.getBrand() + " " + v.getModel() + " does not need service.");
+            }
+            System.out.println();
+        }
 
         // ============================================================
-        // TODO 7 (Optional):
-        // After everything is done, print a final message:
-        //
-        //   System.out.println("=== Workshop Completed ===");
-        //
+        // TODO 7: Final message
         // ============================================================
-
-
-
-
-
+        System.out.println("=== Workshop Completed ===");
     }
 }