implement all todo tasks in ElectricCar.java

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

@@ -26,13 +26,36 @@ public class ElectricCar extends Car implements Chargeable {
         this.batteryCapacity = batteryCapacity;
         this.chargeLevel = chargeLevel;
     }
-
+    public boolean needsService(Vehicle v) {
+        return v.getMileage() > 8000;
+    }
+    public void performService() {
+        System.out.println("Battery system checked");
+        this.chargeLevel = 100;
+    }
+    @Override
+    public String getEnergyType() {
+        return "Electric";
+    }
     // TODO: Override getEnergyType() → return "Electric"
 
+    @Override
+    public void showDetails() {
+        super.showDetails();
+        System.out.println("Battery capacity: " + this.batteryCapacity + ", Charge level: " +
+                this.chargeLevel);
+    }
     // TODO: Override showDetails()
     // Call super.showDetails()
     // Print battery capacity and charge level
 
+    public void charge(double amount) {
+        if (amount > 0 && this.chargeLevel + amount <= 100) {
+            this.chargeLevel += amount;
+        } else if (amount > 0 && this.chargeLevel + amount > 100) {
+            this.chargeLevel = 100; //if input amount causes the battery to charge pass 100%, we set it to 100%.
+        }
+    }
     // TODO: Implement charge(double amount)
     // Validate negative
     // Cap at 100