Implement WS-03

.idea/misc.xml

@@ -8,7 +8,7 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="21" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="25" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

src/main/java/org/Main.java

@@ -1,10 +1,17 @@
 package org;
 
+import org.behavior.Serviceable;
+import org.model.Vehicle;
+import org.util.VehicleInspector;
+import org.model.GasCar;
+import org.model.ElectricCar;
+import org.model.SportsCar;
+
 public class Main {
     public static void main(String[] args) {
 
         // ============================================================
-        // TODO 1:
+        // TODO 1: .
         // Create one instance of each vehicle type:
         //    - ElectricCar
         //    - GasCar
@@ -16,13 +23,17 @@ public class Main {
         //   • Store them in variables such as:
         //          ElectricCar tesla = new ElectricCar(...);
         // ============================================================
+        ElectricCar tesla = new ElectricCar("Tesla", "Model S", 2022, 1000, 100, 550, 50);
 
+        GasCar toyota = new GasCar("Toyota", "Corolla", 2018, 85000, 5, 50, "Petrol");
+
+        SportsCar ferrari = new SportsCar("Ferrari", "F8 Tributo", 2021, 12000, 2, 3.9, "oil", 710);
 
 
 
 
         // ============================================================
-        // TODO 2:
+        // TODO 2: .
         // Create an array of Vehicle:
         //       Vehicle[] vehicles = { ... };
         //
@@ -31,13 +42,13 @@ public class Main {
         // subclasses (ElectricCar, GasCar, SportsCar) are stored
         // as their parent type (Vehicle).
         // ============================================================
-
+        Vehicle[] vehicles = {tesla, ferrari, toyota};
 
 
 
 
         // ============================================================
-        // TODO 3:
+        // TODO 3: .
         // Loop through the Vehicle[] array and:
         //   • Call v.basicInfo();
         //   • Print a blank line after each.
@@ -46,13 +57,16 @@ public class Main {
         //   Demonstrate that all subclasses share the same Vehicle
         //   behavior and can call inherited methods.
         // ============================================================
-
+        for (Vehicle v : vehicles) {
+            v.basicInfo();
+            System.out.println();
+        }
 
 
 
 
         // ============================================================
-        // TODO 4:
+        // TODO 4: .
         // Use VehicleInspector to inspect each vehicle:
         //
         //     VehicleInspector.inspect(v);
@@ -61,13 +75,15 @@ public class Main {
         //   • Demonstrate the use of `instanceof`
         //   • Show subclass‑specific inspection messages
         // ============================================================
-
+        for (Vehicle v : vehicles) {
+            VehicleInspector.inspect(v);
+        }
 
 
 
 
         // ============================================================
-        // TODO 5:
+        // TODO 5: .
         // Create an array of Serviceable:
         //       Serviceable[] serviceables = { ... };
         //
@@ -79,6 +95,7 @@ public class Main {
         //           Vehicle v = (Vehicle) s;
         //
         // ============================================================
+        Serviceable[] serviceables = {tesla, ferrari, toyota};
 
 
 
@@ -105,19 +122,27 @@ public class Main {
         //
         // Add blank lines between each item for readability.
         // ============================================================
-
+        for (Serviceable s : serviceables) {
+            Vehicle v = (Vehicle) s;
+            if (s.needsService(v)) {
+                System.out.println("Brand: " + v.getBrand() + " Model: " + v.getModel());
+                s.performService();
+            }
+            else System.out.println("The car does not need service");
+            System.out.println();
+        }
 
 
 
 
         // ============================================================
-        // TODO 7 (Optional):
+        // TODO 7 (Optional): .
         // After everything is done, print a final message:
         //
         //   System.out.println("=== Workshop Completed ===");
         //
         // ============================================================
-
+        System.out.println("=== Workshop Completed ===");
 
 
 

src/main/java/org/model/Car.java

@@ -18,24 +18,46 @@ public abstract class Car extends Vehicle implements Serviceable {
     public Car(String brand, String model, int year,
                double mileage, int seats) {
 
-        // TODO: Call super constructor
+        // TODO: Call super constructor .
+        super(brand, model, year, mileage);
         this.seats = seats;
     }
 
-    // TODO: Override getEnergyType() → return "Unknown"
+    // TODO: Override getEnergyType() → return "Unknown" .
 
-    // TODO: Override showDetails()
+    @Override
+    public String getEnergyType() {
+        return "Unknown";
+    }
+
+
+    // TODO: Override showDetails() .
     // Print brand, model, year, mileage, and number of seats
 
+    @Override
+    public void showDetails() {
+        System.out.println("Brand: " + getBrand() + " Model: " + getModel() + " Year: " + getYear() + " Mileage: " + getMileage() + "Number of seats: " + seats);
+    }
+
     /*
-     * Implement Serviceable methods:
+     * Implement Serviceable methods: .
      *
-     * needsService(Vehicle v):
+     * needsService(Vehicle v): .
      * - Check the mileage of the current car
      * - If mileage > 10000 return true
      * - Otherwise return false
      *
-     * performService():
+     * performService(): .
      * - Print: "General car service completed"
      */
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        if(v.getMileage() > 10000) return true;
+        else return false;
+    }
+    @Override
+    public void performService() {
+        System.out.println("General car service completed");
+    }
 }

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

@@ -27,13 +27,38 @@ public class ElectricCar extends Car implements Chargeable {
         this.chargeLevel = chargeLevel;
     }
 
-    // TODO: Override getEnergyType() → return "Electric"
+    // TODO: Override getEnergyType() → return "Electric" .
-
+    @Override
-    // TODO: Override showDetails()
+    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("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("invalid amount");
+        else chargeLevel += amount;
+
+        if (chargeLevel > 100) chargeLevel = 100;
+    }
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        if(v.getMileage() > 8000) return true;
+        else return false;
+    }
+    @Override
+    public void performService() {
+        System.out.println("Battery system checked");
+        chargeLevel = 100;
+    }
 }

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

@@ -27,13 +27,40 @@ public class GasCar extends Car implements Refuelable {
         this.fuelType = fuelType;
     }
 
-    // TODO: Override getEnergyType() → return fuelType + " (Gas)"
+    // TODO: Override getEnergyType() → return fuelType + " (Gas)" .
 
-    // TODO: Implement refuel(double amount)
+    @Override
+    public String getEnergyType() {
+        return (fuelType + " (Gas)");
+    }
+
+    // TODO: Implement refuel(double amount) .
     // Validate amount
     // Cap at 100
+    public void refuel(double amount) {
+        if (amount < 0) System.out.println("invalid amount");
+        else fuelLevel += amount;
 
-    // TODO: Override showDetails()
+        if (fuelLevel > 100) fuelLevel = 100;
+    }
+
+    // TODO: Override showDetails() .
     // Call super.showDetails()
     // Print fuel level and fuel type
+
+    @Override
+    public void showDetails() {
+        super.showDetails();
+        System.out.println("Fuel level: " + fuelLevel + " Fuel type: " + fuelType);
+    }
+    @Override
+    public boolean needsService(Vehicle v) {
+        if(v.getMileage() > 12000) return true;
+        else return false;
+    }
+    @Override
+    public void performService() {
+        System.out.println("Engine oil changed");
+        fuelLevel = 100;
+    }
 }

src/main/java/org/model/HybridCar.java

@@ -0,0 +1,52 @@
+package org.model;
+
+import org.behavior.Chargeable;
+import org.behavior.Refuelable;
+
+public class HybridCar extends Car implements Chargeable, Refuelable {
+    private double fuelLevel;
+    private double chargeLevel;
+    public HybridCar(String brand, String model, int year,
+                     double mileage, int seats,
+                     double fuelLevel, double chargeLevel) {
+        super(brand, model, year, mileage, seats);
+        this.chargeLevel = chargeLevel;
+        this.fuelLevel = fuelLevel;
+    }
+
+    public void refuel(double amount) {
+        if (amount < 0) System.out.println("invalid amount");
+        else fuelLevel += amount;
+
+        if (fuelLevel > 100) fuelLevel = 100;
+    }
+    public void charge(double amount) {
+        if (amount < 0) System.out.println("invalid amount");
+        else chargeLevel += amount;
+
+        if (chargeLevel > 100) chargeLevel = 100;
+    }
+
+    @Override
+    public void showDetails() {
+        super.showDetails();
+        System.out.println("Fuel level: " + fuelLevel + "Charge level: " + chargeLevel);
+    }
+
+    @Override
+    public String getEnergyType() {
+        return "Hybrid";
+    }
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        if(v.getMileage() > 10000) return true;
+        else return false;
+    }
+    @Override
+    public void performService() {
+        System.out.println("Engine oil changed and battery system checked");
+        fuelLevel = 100;
+        chargeLevel = 100;
+    }
+}

src/main/java/org/model/SportsCar.java

@@ -24,7 +24,23 @@ public class SportsCar extends GasCar {
         this.zeroToHundred = zeroToHundred;
     }
 
-    // TODO: Override showDetails()
+    // TODO: Override showDetails() .
     // Call super.showDetails()
     // Print acceleration time
+    @Override
+    public void showDetails() {
+        super.showDetails();
+        System.out.println("Acceleration time: " + zeroToHundred);
+    }
+
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        if(v.getMileage() > 5000) return true;
+        else return false;
+    }
+    @Override
+    public void performService() {
+        System.out.println("High-performance brake system checked");
+    }
 }

src/main/java/org/model/Vehicle.java

@@ -20,14 +20,33 @@ public abstract class Vehicle {
         this.mileage = mileage;
     }
 
-    // TODO: Create getters for all fields
+    // TODO: Create getters for all fields .
 
-    // TODO: Implement addMileage(double km)
+    public String getBrand() {
+        return brand;
+    }
+
+    public String getModel() {
+        return model;
+    }
+
+    public int getYear() {
+        return year;
+    }
+
+    public double getMileage() {
+        return mileage;
+    }
+
+    // TODO: Implement addMileage(double km) .
     // If km is negative → print error
     // Otherwise increase mileage
-
+    public void addMileage(double km) {
-    // TODO: Declare abstract method getEnergyType()
+        if (km < 0) System.out.println("invalid number");
-
+        else mileage += km;
+    }
+    // TODO: Declare abstract method getEnergyType() .
+    public abstract String getEnergyType();
     public void basicInfo() {
         System.out.println(
                 year + " " + brand + " " + model +

src/main/java/org/util/VehicleInspector.java

@@ -1,6 +1,9 @@
 package org.util;
 
 import org.*;
+import org.model.ElectricCar;
+import org.model.GasCar;
+import org.model.SportsCar;
 import org.model.Vehicle;
 
 /*
@@ -14,9 +17,13 @@ public class VehicleInspector {
 
         v.basicInfo();
 
-        // TODO:
+        // TODO: .
         // If ElectricCar → print "Check battery system"
         // If SportsCar → print "Check brakes and performance"
         // If GasCar → print "Check engine and oil"
+        if (v instanceof GasCar) System.out.println("Check engine and oil");
+        else if (v instanceof ElectricCar) System.out.println("Check battery system");
+        else if (v instanceof SportsCar) System.out.println("Check brakes and performance");
+        System.out.println();
     }
 }