complete Car class

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

@@ -18,15 +18,36 @@ 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"
+    @Override
+    public String getEnergyType()
+    {
+        return "Unknown";
+    }
 
-    // TODO: Override showDetails()
-    // Print brand, model, year, mileage, and number of seats
+    @Override
+    public void showDetails()
+    {
+        basicInfo();
+        System.out.println("number of seats: " + this.seats);
+    }
 
+    public boolean needsService(Vehicle v)
+    {
+        if (v.getMileage() > 10000)
+        {
+            return true;
+        }
+        return false;
+    }
+
+    public void performService()
+    {
+        System.out.println("General car service completed");
+    }
     /*
      * Implement Serviceable methods:
      *