Initial commit: advanced OOP workshop project

src/main/java/org/model/GasCar.java

@@ -29,11 +29,55 @@ public class GasCar extends Car implements Refuelable {
 
     // TODO: Override getEnergyType() → return fuelType + " (Gas)"
 
+    @Override
+    public String getEnergyType() {
+        return fuelType + " (gas)";
+    }
+
+
     // TODO: Implement refuel(double amount)
     // Validate amount
     // Cap at 100
 
+    @Override
+    public void refuel(double amount) {
+
+        if (amount < 0)
+            System.out.println("This amount is unacceptable.");
+        if (fuelLevel == 100)
+            System.out.println("fuel level is already 100%.");
+        else {
+            fuelLevel += amount;
+        if (fuelLevel >= 100) {
+            fuelLevel = 100;
+            System.out.println("fuel level reached 100%.");
+        } else
+            System.out.println("fuel level increased.");
+        }
+
+    }
+
+
     // TODO: Override showDetails()
     // Call super.showDetails()
     // Print fuel level and fuel type
+
+    @Override
+    public void showDetails() {
+        super.showDetails();
+        System.out.println(" | fuelLevel: " + fuelLevel + " | fuel type: " + fuelType);
+    }
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        return v.getMileage() > 10000 || fuelLevel < 100;
+    }
+
+    @Override
+    public void performService() {
+        super.performService();
+        System.out.println("engine and oil checked");
+        this.fuelLevel = 100;
+
+    }
 }