From c65d263b45358a2e7808fbf009db35fb5712f0a6 Mon Sep 17 00:00:00 2001 From: Parmis Jamami Date: Tue, 28 Apr 2026 00:53:37 +0330 Subject: [PATCH] complete code --- src/main/java/org/Main.java | 153 +++++-------------- src/main/java/org/model/Car.java | 21 ++- src/main/java/org/model/ElectricCar.java | 36 ++++- src/main/java/org/model/GasCar.java | 32 +++- src/main/java/org/model/SportsCar.java | 18 ++- src/main/java/org/model/Vehicle.java | 32 +++- src/main/java/org/util/VehicleInspector.java | 16 +- 7 files changed, 167 insertions(+), 141 deletions(-) diff --git a/src/main/java/org/Main.java b/src/main/java/org/Main.java index 7a3d8c8..0e633c4 100644 --- a/src/main/java/org/Main.java +++ b/src/main/java/org/Main.java @@ -1,126 +1,53 @@ package org; +import org.behavior.Serviceable; +import org.model.ElectricCar; +import org.model.GasCar; +import org.model.SportsCar; +import org.model.Vehicle; +import org.util.VehicleInspector; + public class Main { public static void main(String[] args) { - // ============================================================ - // TODO 1: - // Create one instance of each vehicle type: - // - ElectricCar - // - GasCar - // - SportsCar - // - // Requirements: - // • Use the constructors you created in each class. - // • Provide realistic values (brand, model, year, mileage, etc.). - // • 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 + ); // ============================================================ - // TODO 2: - // Create an array of Vehicle: - // Vehicle[] vehicles = { ... }; - // - // This array MUST contain the objects created above. - // This demonstrates **polymorphism** because all different - // subclasses (ElectricCar, GasCar, SportsCar) are stored - // as their parent type (Vehicle). - // ============================================================ - - - - - - // ============================================================ - // TODO 3: - // Loop through the Vehicle[] array and: - // • Call v.basicInfo(); - // • Print a blank line after each. - // - // Purpose: - // Demonstrate that all subclasses share the same Vehicle - // behavior and can call inherited methods. - // ============================================================ - - - - - - // ============================================================ - // TODO 4: - // Use VehicleInspector to inspect each vehicle: - // - // VehicleInspector.inspect(v); - // - // Purpose: - // • Demonstrate the use of `instanceof` - // • Show subclass‑specific inspection messages - // ============================================================ - - - - - - // ============================================================ - // TODO 5: - // Create an array of Serviceable: - // Serviceable[] serviceables = { ... }; - // - // This demonstrates **interface‑based polymorphism**. - // Every Car subtype implements Serviceable. - // - // IMPORTANT: - // • You must cast to Vehicle when needed: - // Vehicle v = (Vehicle) s; - // - // ============================================================ - - - - - - // ============================================================ - // TODO 6: - // Loop through the Serviceable[] array: - // - // Steps inside loop: - // - // 1. Cast the current object to Vehicle: - // Vehicle v = (Vehicle) s; - // - // 2. Check: - // if (s.needsService(v)) { ... } - // - // 3. If true: - // - Print a message showing brand + model - // - Call s.performService(); - // - // 4. Otherwise: - // - Print that the car does not need service - // - // Add blank lines between each item for readability. - // ============================================================ - - - - - - // ============================================================ - // TODO 7 (Optional): - // After everything is done, print a final message: - // - // System.out.println("=== Workshop Completed ==="); - // - // ============================================================ - - - + Vehicle[] vehicles = {tesla, toyota, ferrari}; + for (Vehicle v : vehicles) { + v.basicInfo(); + System.out.println(); + } + + for (Vehicle v : vehicles) { + VehicleInspector.inspect(v); + System.out.println(); + } + Serviceable[] serviceList = {tesla, toyota, ferrari}; + for (Serviceable s : serviceList) { + Vehicle v = (Vehicle) s; + if (s.needsService(v)) { + s.performService(); + } else { + System.out.println("The car does not need service."); + } + } + System.out.println("=== Workshop Completed ==="); } -} +} \ No newline at end of file diff --git a/src/main/java/org/model/Car.java b/src/main/java/org/model/Car.java index 74836b5..9e14e70 100644 --- a/src/main/java/org/model/Car.java +++ b/src/main/java/org/model/Car.java @@ -18,13 +18,19 @@ public abstract class Car extends Vehicle implements Serviceable { public Car(String brand, String model, int year, double mileage, int seats) { - // TODO: Call super constructor + super(brand,model,year,mileage); this.seats = seats; } - // TODO: Override getEnergyType() → return "Unknown" + public String getEnergyType(){ + return "UnKnown"; + } - // TODO: Override showDetails() + public void showDetails(){ + System.out.println("Brand: " + getBrand() + ", Model: " + getModel() + + ", Year: " + getYear() + ", Mileage: " + getMileage() + + ", Seats: " + seats); + } // Print brand, model, year, mileage, and number of seats /* @@ -38,4 +44,13 @@ 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() { + System.out.println("General car service completed"); + } + + } diff --git a/src/main/java/org/model/ElectricCar.java b/src/main/java/org/model/ElectricCar.java index 2ee9bd8..cf4772d 100644 --- a/src/main/java/org/model/ElectricCar.java +++ b/src/main/java/org/model/ElectricCar.java @@ -27,13 +27,35 @@ public class ElectricCar extends Car implements Chargeable { this.chargeLevel = chargeLevel; } - // TODO: Override getEnergyType() → return "Electric" + public String getEnergyType() { + return "Electric"; + } - // TODO: Override showDetails() - // Call super.showDetails() - // Print battery capacity and charge level + public void showDetails() { + super.showDetails(); + System.out.println("Battery Capacity: " + batteryCapacity + " , Charge Level: " + chargeLevel + "%"); + } + + public void charge(double amount) { + if (amount < 0) { + System.out.println("invalid amount"); + + } else { + this.chargeLevel = Math.min(100, this.chargeLevel + amount); + + } + } + + public boolean needsService() { + + return getMileage() > 8000; + } + + public void performService() { + + System.out.println("Battery system checked"); + this.chargeLevel = 100; + System.out.println("Charge level reset to 100%."); + } - // TODO: Implement charge(double amount) - // Validate negative - // Cap at 100 } diff --git a/src/main/java/org/model/GasCar.java b/src/main/java/org/model/GasCar.java index 2109f93..705f3b0 100644 --- a/src/main/java/org/model/GasCar.java +++ b/src/main/java/org/model/GasCar.java @@ -27,13 +27,31 @@ public class GasCar extends Car implements Refuelable { this.fuelType = fuelType; } - // TODO: Override getEnergyType() → return fuelType + " (Gas)" + 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 = Math.min(100, this.fuelLevel + amount); + } else { + System.out.println("Invalid fuel amount."); + } + } - // TODO: Override showDetails() - // Call super.showDetails() - // Print fuel level and fuel type + public void showDetails() { + super.showDetails(); + System.out.println("Fuel Level: " + fuelLevel + "%, Fuel Type: " + fuelType); + } + + public boolean needsService() { + + return getMileage() > 12000; + } + + public void performService() { + + System.out.println("Engine oil changed"); + this.fuelLevel = 100; + } } diff --git a/src/main/java/org/model/SportsCar.java b/src/main/java/org/model/SportsCar.java index 25f5df9..5e1889c 100644 --- a/src/main/java/org/model/SportsCar.java +++ b/src/main/java/org/model/SportsCar.java @@ -24,7 +24,19 @@ public class SportsCar extends GasCar { this.zeroToHundred = zeroToHundred; } - // TODO: Override showDetails() - // Call super.showDetails() - // Print acceleration time + public void showDetails() { + super.showDetails(); // نمایش جزئیات پایه از کلاس GasCar + System.out.println("0 to 100 km/h: " + zeroToHundred + " seconds"); + } + + public boolean needsService() { + + return getMileage() > 5000; + } + + public void performService() { + + System.out.println("High-performance brake system checked"); + + } } diff --git a/src/main/java/org/model/Vehicle.java b/src/main/java/org/model/Vehicle.java index 70615a9..6404b66 100644 --- a/src/main/java/org/model/Vehicle.java +++ b/src/main/java/org/model/Vehicle.java @@ -20,11 +20,33 @@ public abstract class Vehicle { this.mileage = mileage; } - // TODO: Create getters for all fields + public String getBrand() { + return brand; + } - // TODO: Implement addMileage(double km) - // If km is negative → print error - // Otherwise increase mileage + public String getModel(){ + return model; + } + + public int getYear(){ + return year; + } + + public double getMileage(){ + return mileage; + } + + + public void addMileage(double km){ + if( km < 0 ){ + System.out.println("Error"); + } + else{ + this.mileage += km; + } + } + + public abstract String getEnergyType(); // TODO: Declare abstract method getEnergyType() @@ -36,5 +58,7 @@ public abstract class Vehicle { ); } + + public abstract void showDetails(); } diff --git a/src/main/java/org/util/VehicleInspector.java b/src/main/java/org/util/VehicleInspector.java index c83c420..6d36d2b 100644 --- a/src/main/java/org/util/VehicleInspector.java +++ b/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 +17,14 @@ public class VehicleInspector { v.basicInfo(); - // TODO: - // If ElectricCar → print "Check battery system" - // If SportsCar → print "Check brakes and performance" - // If GasCar → print "Check engine and oil" + if (v instanceof ElectricCar) { + System.out.println("Check battery system"); + } + else if (v instanceof SportsCar) { + System.out.println("Check brakes and performance"); + } + else if (v instanceof GasCar) { + System.out.println("Check engine and oil"); + } } } -- 2.54.0