complete all workshop TODOs

src/main/java/org/model/Car.java

@@ -1,41 +1,37 @@
 package org.model;
-
-/*
- * Car extends Vehicle.
- * This class SHOULD implement Serviceable.
- *
- * Service logic for Car:
- * - needsService(): return true if mileage > 10,000
- * - performService(): print "General car service completed"
- */
-
 import org.behavior.Serviceable;
 
 public abstract class Car extends Vehicle implements Serviceable {
-
     private int seats;
-
     public Car(String brand, String model, int year,
                double mileage, int seats) {
-
-        // TODO: Call super constructor
+        //Call super constructor to initialize inherited fields from Vehicle
+        super(brand, model, year, mileage);
         this.seats = seats;
     }
+    //getEnergyType() → return "Unknown"
+    public String getEnergyType() {
+        return "Unknown";
+    }
 
-    // TODO: Override getEnergyType() → return "Unknown"
 
-    // TODO: Override showDetails()
-    // Print brand, model, year, mileage, and number of seats
+    //showDetails() to print brand, model, year, mileage, and number of seats
+    public void showDetails() {
+        System.out.println("Car Details:");
+        System.out.println("Brand:" + getBrand());
+        System.out.println("Model: " + getModel());
+        System.out.println("Year: " + getYear());
+        System.out.println("Mileage:" + getMileage() + " km");
+        System.out.println("Seats: " + seats);
+    }
 
-    /*
-     * Implement Serviceable methods:
-     *
-     * needsService(Vehicle v):
-     * - Check the mileage of the current car
-     * - If mileage > 10000 return true
-     * - Otherwise return false
-     *
-     * performService():
-     * - Print: "General car service completed"
-     */
+    // Implement Serviceable.needsService(Vehicle v) -> Check if mileage > 10000
+    public boolean needsService(Vehicle v) {
+        return v.getMileage() > 10000;
+    }
+
+    //Implement Serviceable.performService() -> Print general service message
+    public void performService() {
+        System.out.println("General car service completed");
+    }
 }