complete ElectricCar class

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

@@ -27,13 +27,44 @@ public class ElectricCar extends Car implements Chargeable {
         this.chargeLevel = chargeLevel;
     }
 
-    // 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.println("battery capacity: " + this.batteryCapacity + " | charge level: " + this.chargeLevel);
+    }
+
+    public void charge(double amount) {
+        if (amount < 0) {
+            System.out.println("Cannot charge negative amount!");
+            return;
+        }
+        this.chargeLevel += amount;
+        if (this.chargeLevel > 100) {
+            this.chargeLevel = 100;
+        }
+    }
+    @Override
+    public boolean needsService(Vehicle v)
+    {
+        if (v.getMileage() > 8000)
+        {
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public void performService()
+    {
+        System.out.println("Battery system checked");
+        this.chargeLevel = 100;
+    }
 
-    // TODO: Implement charge(double amount)
-    // Validate negative
-    // Cap at 100
 }