complete all TODO sections in SportsCar class

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

@@ -1,13 +1,5 @@
 package org.model;
 
-/*
- * SportsCar extends GasCar.
- *
- * Special service logic for SportsCar:
- * - needsService(): return true if mileage > 5000
- * - performService():
- *     Print "High-performance brake system checked"
- */
 
 public class SportsCar extends GasCar {
 
@@ -23,8 +15,20 @@ public class SportsCar extends GasCar {
 
         this.zeroToHundred = zeroToHundred;
     }
+    
+    @Override
+    public void showDetails() {
+        super.showDetails();
+        System.out.println("acceleration time: " + this.zeroToHundred);
+    }
 
-    // TODO: Override showDetails()
-    // Call super.showDetails()
-    // Print acceleration time
+    @Override
+    public boolean needsService(Vehicle v) {
+        return getMileage() > 5000;
+    }
+
+    @Override
+    public void performService() {
+        System.out.println("High-performance brake system checked");
+    }
 }