src/main/java/org/model/ElectricCar.java

@@ -29,7 +29,7 @@ public class ElectricCar extends Car implements Chargeable {
 
     @Override
     public String getEnergyType() {return "Electric";}
-    
+
     //Implement Chargeable
     public void charge(double amount) {
         if (amount <= 0) {

src/main/java/org/model/SportsCar.java

@@ -24,7 +24,20 @@ public class SportsCar extends GasCar {
         this.zeroToHundred = zeroToHundred;
     }
 
-    // TODO: Override showDetails()
-    // Call super.showDetails()
-    // Print acceleration time
+    @Override
+    public void showDetails() {
+        super.showDetails();
+        System.out.println(zeroToHundred);
+    }
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        double mileage = v.getMileage();
+        return (mileage > 5000);
+    }
+
+    @Override
+    public void performService() {
+        System.out.println("High-performance brake system checked");
+    }
 }