bonus concluded

.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_24_PREVIEW" project-jdk-name="corretto-24" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

pom.xml

@@ -13,5 +13,18 @@
         <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>25</source>
+                    <target>25</target>
+                    <compilerArgs>--enable-preview</compilerArgs>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
 </project>

src/main/java/org/Main.java

@@ -1,4 +1,9 @@
 package org;
+import org.model.*;
+import org.behavior.Serviceable;
+import org.model.ElectricCar;
+import org.model.Vehicle;
+import org.util.VehicleInspector;
 
 public class Main {
     public static void main(String[] args) {
@@ -16,8 +21,20 @@ 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   // batteryCapacity, range
+        );
 
+        GasCar toyota = new GasCar(
+                "Toyota", "Corolla", 2018, 85000,
+                5, 50, "Petrol"   // seats, fuelCapacity, fuelType
+        );
 
+        SportsCar ferrari = new SportsCar(
+                "Ferrari", "F8 Tributo", 2021, 12000,
+                2, 3.9, "oil", 710   // seats, engineSize, horsepower
+        );
 
 
 
@@ -31,7 +48,7 @@ public class Main {
         // subclasses (ElectricCar, GasCar, SportsCar) are stored
         // as their parent type (Vehicle).
         // ============================================================
-
+        Vehicle[] vehicles ={tesla,toyota,ferrari};
 
 
 
@@ -46,7 +63,10 @@ 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();
+        }
 
 
 
@@ -62,7 +82,9 @@ public class Main {
         //   • Show subclass‑specific inspection messages
         // ============================================================
 
-
+        VehicleInspector.inspect(tesla);
+        VehicleInspector.inspect(toyota);
+        VehicleInspector.inspect(ferrari);
 
 
 
@@ -79,7 +101,18 @@ public class Main {
         //           Vehicle v = (Vehicle) s;
         //
         // ============================================================
-
+        Serviceable[] serviceables = {tesla,toyota,ferrari };
+        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("No support");
+            }
+            System.out.println();
+        }
 
 
 
@@ -118,7 +151,7 @@ public class Main {
         //
         // ============================================================
 
-
+        System.out.println("=== Workshop Completed ===");
 
 
 

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

@@ -20,13 +20,22 @@ public abstract class Car extends Vehicle implements Serviceable {
 
         // TODO: Call super constructor
         this.seats = seats;
+        super(brand,model,year,mileage);
     }
 
     // TODO: Override getEnergyType() → return "Unknown"
-
+    @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(
+                getYear()+ " " + getBrand() + " " + getModel() +
+                        " | Mileage: " + getMileage() +
+                        " | Seats: " + seats
+        );
+    }
     /*
      * Implement Serviceable methods:
      *
@@ -38,4 +47,12 @@ public abstract class Car extends Vehicle implements Serviceable {
      * performService():
      * - Print: "General car service completed"
      */
+
+    public boolean needsService(Vehicle v){
+        return v.getMileage()>10000;
+    }
+
+    public void performService(Vehicle v){
+        System.out.println("General car service completed");
+    }
 }

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

@@ -28,12 +28,35 @@ 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(0<amount){
+            this.chargeLevel += amount;
+            if(this.chargeLevel>100)
+                this.chargeLevel = 100;
+        }
+    }
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        return v.getMileage()>8000;
+    }
+    @Override
+    public void performService() {
+        System.out.println("Battery system checked");
+        chargeLevel =100;
+    }
 }

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

@@ -28,12 +28,37 @@ 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
+    public void refuel(double amount){
+        if(amount > 0){
+            this.fuelLevel += amount;
+            if(this.fuelLevel > 100)
+                this.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: " + this.fuelLevel +" "+"Fuel Type: " + this.fuelType);
+    }
+
+    @Override
+    public boolean needsService(Vehicle v) {
+        return v.getMileage()>12000;
+    }
+    @Override
+    public void performService() {
+        System.out.println("Engine oil changed");
+        fuelLevel =100;
+    }
 }

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

@@ -0,0 +1,41 @@
+package org.model;
+
+import org.behavior.Chargeable;
+import org.behavior.Refuelable;
+import org.behavior.Serviceable;
+
+public class HybridCar extends Car implements  Refuelable, Chargeable {
+    private double battery_level;
+    private double fuel_level;
+    @Override
+    public boolean needsService(Vehicle v) {
+        return v.getMileage()>10000;
+    }
+    @Override
+    public void performService() {
+        System.out.println("Engine oil changed and battery system checked");
+        fuel_level =100;
+        battery_level=100;
+    }
+    public HybridCar(String brand, String model, int year,
+                     double mileage, int seats,
+                     double battery_level, double fuel_level) {
+        super(brand, model, year, mileage, seats);
+        this.battery_level = battery_level;
+        this.fuel_level = fuel_level;
+    }
+    public void charge(double amount) {
+        if(0<amount){
+            this.battery_level += amount;
+            if(this.battery_level>100)
+                this.battery_level = 100;
+        }
+    }
+    public void refuel(double amount) {
+        if(0<amount){
+            this.fuel_level += amount;
+            if(this.fuel_level>100)
+                this.fuel_level = 100;
+        }
+    }
+}

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

@@ -27,4 +27,18 @@ public class SportsCar extends GasCar {
     // TODO: Override showDetails()
     // Call super.showDetails()
     // Print acceleration time
+    @Override
+    public void showDetails(){
+        super.showDetails();
+        System.out.println("acceleration time: "+zeroToHundred);
+    }
+    @Override
+    public void performService() {
+        System.out.println("High-performance brake system checked");
+    }
+    @Override
+    public boolean needsService(Vehicle v) {
+        return v.getMileage() > 5000;
+    }
+
 }

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

@@ -21,12 +21,32 @@ public abstract class Vehicle {
     }
 
     // TODO: Create getters for all fields
+    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)
+    public void addMileage(double km){
+        if(km<0){
+            System.out.println("error");
+            return;
+        }
+        this.mileage+=km;
+    }
     // If km is negative → print error
     // Otherwise increase mileage
 
     // TODO: Declare abstract method getEnergyType()
+    public abstract String getEnergyType();
 
     public void basicInfo() {
         System.out.println(

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;
 
 /*
@@ -18,5 +21,19 @@ public class VehicleInspector {
         // If ElectricCar → print "Check battery system"
         // If SportsCar → print "Check brakes and performance"
         // If GasCar → print "Check engine and oil"
+        /*
+        switch (v) {
+            case ElectricCar electricCar -> System.out.println("Check battery system");
+            case SportsCar sportsCar -> System.out.println("Check brakes and performance");
+            case GasCar gasCar -> System.out.println("Check engine and oil");
+            default -> {
+            }
+        }
+        */
+
+        if(v instanceof GasCar){System.out.println("Check engine and oil");}
+        else if (v instanceof SportsCar){System.out.println("Check brakes and performance");}
+        else if (v instanceof ElectricCar){System.out.println("Check battery system");}
+
     }
 }