implement Main.java

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2026-04-27 11:56:03 +03:30
parent ae505f04be
commit 7769382421
+50 -106
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@@ -1,126 +1,70 @@
package org; 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 class Main {
public static void main(String[] args) { public static void main(String[] args) {
// ============================================================
// TODO 1: ElectricCar tesla = new ElectricCar(
// Create one instance of each vehicle type: "Tesla", "Model S", 2022, 1000,
// - ElectricCar 100, 550, 50 // batteryCapacity, range
// - GasCar );
// - SportsCar
// GasCar toyota = new GasCar(
// Requirements: "Toyota", "Corolla", 2018, 85000,
// • Use the constructors you created in each class. 5, 50, "Petrol" // seats, fuelCapacity, fuelType
// • Provide realistic values (brand, model, year, mileage, etc.). );
// • Store them in variables such as:
// ElectricCar tesla = new ElectricCar(...); SportsCar ferrari = new SportsCar(
// ============================================================ "Ferrari", "F8 Tributo", 2021, 12000,
2, 3.9, "oil", 710 // seats, engineSize, horsepower
);
Vehicle[] vehicles = {tesla, toyota, ferrari};
System.out.println("\n--------------BASIC INFO--------------\n");
for(int i=0 ; i<3 ; i++) {
vehicles[i].basicInfo();
System.out.println();
}
// ============================================================ System.out.println("--------------INSPECT--------------\n");
// TODO 2: for(int i=0 ; i<3 ; i++) {
// Create an array of Vehicle: VehicleInspector.inspect(vehicles[i]);
// Vehicle[] vehicles = { ... }; System.out.println();
// }
// 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).
// ============================================================
Serviceable[] serviceables = {tesla, toyota, ferrari};
System.out.println("--------------SERVISES--------------\n");
for(int i=0 ; i<3 ; i++) {
Vehicle temp = (Vehicle) serviceables[i];
// ============================================================ if(serviceables[i].needsService(temp)) {
// TODO 3:
// Loop through the Vehicle[] array and: System.out.println(temp.getBrand() + " " + temp.getModel());
// • Call v.basicInfo(); serviceables[i].performService();
// • Print a blank line after each.
// }
// Purpose: else {
// Demonstrate that all subclasses share the same Vehicle System.out.println(temp.getBrand() + " " + temp.getModel() +
// behavior and can call inherited methods. " does not need service");
// ============================================================ }
System.out.println();
}
// ============================================================
// TODO 4:
// Use VehicleInspector to inspect each vehicle:
//
// VehicleInspector.inspect(v);
//
// Purpose:
// • Demonstrate the use of `instanceof`
// • Show subclassspecific inspection messages
// ============================================================
// ============================================================
// TODO 5:
// Create an array of Serviceable:
// Serviceable[] serviceables = { ... };
//
// This demonstrates **interfacebased 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 ===");
//
// ============================================================
System.out.println("========= Workshop Completed =========");
} }
} }