CinemaEvents.java - master - ket12werw/Cinema

CinemaEvents.java
97 строк3 KB
ket12werw
zadanie1
23 июл 2026, 20:03
23 июл 2026, 20:0354bd71e
package task2;

import java.util.Scanner;

public class CinemaEvents {
    private int[][] seats;

    public CinemaEvents(int rows, int cols) {
        this.seats = new int[rows][cols];
    }

    public void showSeats() {
        System.out.println("\nСхема зала:");
        for (int row = 0; row < seats.length; row++) {
            for (int seat = 0; seat < seats[row].length; seat++) {
                char symbol = (seats[row][seat] == 0) ? 'O' : 'X';
                System.out.print(symbol + " ");
            }
            System.out.println();
        }
        System.out.println("O — свободно\nX — занято");
    }


    private int[] getCoordinates(Scanner scanner) {
        System.out.print("Введите номер ряда (от 1 до " + seats.length + "): ");
        int row = readValidInt(scanner) - 1;

        System.out.print("Введите номер места (от 1 до " + seats[0].length + "): ");
        int seat = readValidInt(scanner) - 1;

        return new int[]{row, seat};
    }


    private int readValidInt(Scanner scanner) {
        while (!scanner.hasNextInt()) {
            System.out.print("Ошибка! Введите число: ");
            scanner.next();
        }
        return scanner.nextInt();
    }

    public void bookSeat(Scanner scanner) {
        int[] coords = getCoordinates(scanner);
        int row = coords[0];
        int seat = coords[1];

        if (!isValid(row, seat)) return;

        if (seats[row][seat] == 1) {
            System.out.println("Это место уже занято.");
        } else {
            seats[row][seat] = 1;
            System.out.println("Место успешно забронировано.");
        }
    }

    public void cancelBooking(Scanner scanner) {
        int[] coords = getCoordinates(scanner);
        int row = coords[0];
        int seat = coords[1];

        if (!isValid(row, seat)) return;

        if (seats[row][seat] == 0) {
            System.out.println("Это место и так свободно.");
        } else {
            seats[row][seat] = 0;
            System.out.println("Бронь отменена.");
        }
    }

    private boolean isValid(int row, int seat) {
        if (row < 0 || row >= seats.length || seat < 0 || seat >= seats[row].length) {
            System.out.println("Такого места нет!");
            return false;
        }
        return true;
    }

    public void showStatistics() {
        int free = 0;
        int busy = 0;

        for (int[] row : seats) {
            for (int place : row) {
                if (place == 0) free++;
                else busy++;
            }
        }

        System.out.println("\nСтатистика по залу " + seats.length + "x" + seats[0].length + ":");
        System.out.println("Свободных мест: " + free);
        System.out.println("Занятых мест:   " + busy);
    }
}