Complete ElectricCar class

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

@@ -28,12 +28,40 @@ public class ElectricCar extends Car implements Chargeable {
     }
 
     // TODO: Override getEnergyType() → return "Electric"
+    @Override
+    public String getEnergyType() {
+        return "Electric";
+    }
+
 
     // TODO: Override showDetails()
-    // Call super.showDetails()
-    // Print battery capacity and charge level
+    @Override
+    public void showDetails() {
+        super.showDetails();
+        System.out.printf(", Battery Capacity: %s, Charge Level: %s",
+                batteryCapacity, chargeLevel);
+    }
 
     // TODO: Implement charge(double amount)
-    // Validate negative
-    // Cap at 100
+    @Override
+    public void charge(double amount) {
+        if(amount < 0){
+            System.out.println("Error: can\'t add negative number!");
+            return;
+        }
+        if(chargeLevel + amount <= 100){
+            chargeLevel += amount;
+        }
+    }
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        return getMileage() > 8000;
+    }
+
+    @Override
+    public void performService() {
+        System.out.println("Battery system checked");
+        chargeLevel = 100;
+    }
 }