complete to do codes

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

@@ -28,12 +28,37 @@ 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.println("Battery Capacity: " + batteryCapacity + " kWh");
+        System.out.println("Charge Level: " + chargeLevel + "%");
+    }
 
     // TODO: Implement charge(double amount)
     // Validate negative
     // Cap at 100
+    @Override
+    public void charge(double amount) {
+        if (amount < 0) {
+            System.out.println("Charge amount cannot be negative.");
+            return;
+        }
+
+        chargeLevel += amount;
+        if (chargeLevel > 100) {
+            chargeLevel = 100;
+        }
+
+        System.out.println("Car charged. Current charge level: " + chargeLevel + "%");
+    }
+
 }