completing TODO parts.

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

@@ -18,9 +18,7 @@ public class ElectricCar extends Car implements Chargeable {
     private int batteryCapacity;
     private double chargeLevel;
 
-    public ElectricCar(String brand, String model, int year,
-                       double mileage, int seats,
-                       int batteryCapacity, double chargeLevel) {
+    public ElectricCar(String brand, String model, int year, double mileage, int seats, int batteryCapacity, double chargeLevel) {
 
         super(brand, model, year, mileage, seats);
         this.batteryCapacity = batteryCapacity;
@@ -29,11 +27,33 @@ 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 + " | charge level: " + chargeLevel);
+    }
+
     // TODO: Implement charge(double amount)
     // Validate negative
     // Cap at 100
+
+    public void charge(double amount){
+        if(amount < 0)
+            System.out.println("amount unacceptable");
+        else{
+            if (chargeLevel + amount > 100)
+                chargeLevel = 100;
+            else
+                chargeLevel += amount;
+        }
+    }
 }