Puroguramingu_Bennkyoutyuu
@Puroguramingu_Bennkyoutyuu

Are you sure you want to delete the question?

Leaving a resolved question undeleted may help others!

チャットgptが作ったjavaのプログラムをわかりやすく説明してほしい

Q&A

Closed

してほしいこと

chatGPTが生成したjavaの駐車場シミュレーターが難しくてよくわかりません。わかりやすく説明してくださる方がいればお願いします。

chatgptはサイズや形状、車両の種類、利用者の行動パターン、料金体系、ナンバープレートなどを組み込んだプログラムだと言っています。

コード

駐車場シミュレーター
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

enum VehicleType {
    SEDAN,
    SUV,
    MOTORBIKE
}

class User {
    private String name;

    public User(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }
}

class ParkingTicket {
    private String licensePlate;
    private long startTime;
    private long endTime;
    private double cost;

    public ParkingTicket(String licensePlate, long startTime) {
        this.licensePlate = licensePlate;
        this.startTime = startTime;
    }

    public void setEndTime(long endTime) {
        this.endTime = endTime;
        calculateCost();
    }

    private void calculateCost() {
        // Implement your logic for calculating parking cost based on duration, vehicle type, etc.
        // For simplicity, let's assume a flat rate for now.
        cost = 5.0;
    }

    public double getCost() {
        return cost;
    }

    public String getLicensePlate() {
        return licensePlate;
    }
}

class ParkingSpot {
    private int spotNumber;
    private boolean occupied;
    private VehicleType allowedVehicleType;

    public ParkingSpot(int spotNumber, VehicleType allowedVehicleType) {
        this.spotNumber = spotNumber;
        this.allowedVehicleType = allowedVehicleType;
    }

    public int getSpotNumber() {
        return spotNumber;
    }

    public boolean isOccupied() {
        return occupied;
    }

    public VehicleType getAllowedVehicleType() {
        return allowedVehicleType;
    }

    public void parkVehicle() {
        occupied = true;
    }

    public void vacateSpot() {
        occupied = false;
    }
}

class ParkingLot {
    private ArrayList<ParkingSpot> parkingSpots;
    private Map<String, ParkingTicket> activeTickets;

    public ParkingLot(int capacity) {
        parkingSpots = new ArrayList<>();
        activeTickets = new HashMap<>();

        // Assume a simple parking lot layout for demonstration purposes.
        for (int i = 1; i <= capacity; i++) {
            if (i % 5 == 0) {
                parkingSpots.add(new ParkingSpot(i, VehicleType.SUV));
            } else if (i % 3 == 0) {
                parkingSpots.add(new ParkingSpot(i, VehicleType.MOTORBIKE));
            } else {
                parkingSpots.add(new ParkingSpot(i, VehicleType.SEDAN));
            }
        }
    }

    public boolean parkVehicle(User user, VehicleType vehicleType, String licensePlate) {
        // Implement logic to find a suitable spot based on vehicle type and availability
        // For simplicity, let's assume any available spot can be used for now.
        ParkingSpot availableSpot = findAvailableSpot(vehicleType);
        if (availableSpot != null) {
            availableSpot.parkVehicle();
            ParkingTicket ticket = new ParkingTicket(licensePlate, System.currentTimeMillis());
            activeTickets.put(licensePlate, ticket);
            System.out.println(user.getName() + "さん、車を駐車しました。");
            return true;
        } else {
            System.out.println("申し訳ありませんが、駐車場が満車です。");
            return false;
        }
    }

    private ParkingSpot findAvailableSpot(VehicleType vehicleType) {
        for (ParkingSpot spot : parkingSpots) {
            if (!spot.isOccupied() && (spot.getAllowedVehicleType() == vehicleType || spot.getAllowedVehicleType() == VehicleType.SEDAN)) {
                return spot;
            }
        }
        return null;
    }

    public void removeVehicle(User user, String licensePlate) {
        if (activeTickets.containsKey(licensePlate)) {
            ParkingTicket ticket = activeTickets.get(licensePlate);
            ticket.setEndTime(System.currentTimeMillis());
            double cost = ticket.getCost();
            System.out.println(user.getName() + "さん、車を出庫しました。駐車料金は¥" + cost + "です。");
            activeTickets.remove(licensePlate);
            vacateSpot(licensePlate);
        } else {
            System.out.println("指定された車両は駐車場に存在しません。");
        }
    }

    private void vacateSpot(String licensePlate) {
        for (ParkingSpot spot : parkingSpots) {
            if (spot.isOccupied() && spot.getSpotNumber() == Integer.parseInt(licensePlate.substring(licensePlate.length() - 1))) {
                spot.vacateSpot();
                return;
            }
        }
    }

    public void displayParkingLotStatus() {
        System.out.println("駐車場の状態:");
        for (ParkingSpot spot : parkingSpots) {
            System.out.print("スポット " + spot.getSpotNumber() + ": ");
            if (spot.isOccupied()) {
                System.out.println("車両あり (" + spot.getAllowedVehicleType() + ")");
            } else {
                System.out.println("空き (" + spot.getAllowedVehicleType() + ")");
            }
        }
    }
}

public class AdvancedParkingSimulator {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("駐車場の容量を入力してください: ");
        int capacity = scanner.nextInt();
        ParkingLot parkingLot = new ParkingLot(capacity);

        while (true) {
            System.out.println("\n1. 車を駐車する");
            System.out.println("2. 車を出庫する");
            System.out.println("3. 駐車場の状態を表示する");
            System.out.println("4. 終了");

            System.out.print("選択: ");
            int choice = scanner.nextInt();

            switch (choice) {
                case 1:
                    System.out.print("名前を入力してください: ");
                    String userName = scanner.next();
                    System.out.print("車のタイプを選択してください (1. Sedan, 2. SUV, 3. Motorbike): ");
                    int vehicleTypeChoice = scanner.nextInt();
                    VehicleType vehicleType = getVehicleType(vehicleTypeChoice);
                    System.out.print("車のナンバープレートを入力してください: ");
                    String licensePlate = scanner.next();
                    User user = new User(userName);
                    parkingLot.parkVehicle(user, vehicleType, licensePlate);
                    break;
                case 2:
                    System.out.print("名前を入力してください: ");
                    userName = scanner.next();
                    System.out.print("車のナンバープレートを入力してください: ");
                    licensePlate = scanner.next();
                    user = new User(userName);
                    parkingLot.removeVehicle(user, licensePlate);
                    break;
                case 3:
                    parkingLot.displayParkingLotStatus();
                    break;
                case 4:
                    System.out.println("プログラムを終了します。");
                    System.exit(0);
                default:
                    System.out.println("無効な選択です。再度選択してください。");
            }
        }
    }

    private static VehicleType getVehicleType(int choice) {
        switch (choice) {
            case 1:
                return VehicleType.SEDAN;
            case 2:
                return VehicleType.SUV;
            case 3:
                return VehicleType.MOTORBIKE;
            default:
                throw new IllegalArgumentException("無効な車のタイプです。");
        }
    }
}

javaを勉強するためです。
よろしくお願いします。

0

1Answer

ChatGPTに、このプログラムを指定して一行ごとに説明コメントを入れてください と入力してみたらどうでしょう?

4Like

Comments

Your answer might help someone💌