complete all TODO sections in Car class

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

@@ -17,25 +17,36 @@ public abstract class Car extends Vehicle implements Serviceable {
 
     public Car(String brand, String model, int year,
                double mileage, int seats) {
-
-        // TODO: Call super constructor
+        super(brand, model, year, mileage);
         this.seats = seats;
     }
 
-    // TODO: Override getEnergyType() → return "Unknown"
+    public int getSeats() { return this.seats; }
 
-    // TODO: Override showDetails()
-    // Print brand, model, year, mileage, and number of 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"
-     */
+    @Override
+    public String getEnergyType() {
+        return "Unknown";
+    }
+
+    @Override
+    public void showDetails() {
+        System.out.println(
+                "brand: " + getBrand()
+                + " model: " + getModel()
+                + " year: " + getYear()
+                + " mileage: " + getMileage()
+                + " seats: " + getSeats()
+        );
+    }
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        return getMileage() > 10000;
+    }
+
+    @Override
+    public void performService() {
+        System.out.println("General car service completed");
+    }
 }