個人開発の成果物です
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@@ -2,14 +2,15 @@
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public class BaseTicket {
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// カプセル化
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private String eventName;
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private String ticketId;
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private String eventName;
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private String eventData;
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// 初期化
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public BaseTicket(String ticketId, String eventName, String eventData) {
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this.eventName = eventName;
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this.ticketId = ticketId;
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this.eventName = eventName;
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this.eventData = eventData;
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}
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@@ -57,6 +58,7 @@ public class BaseTicket {
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}
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public void showInfo() {
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showBaseInfo();
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}
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@@ -1,33 +1,118 @@
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import java.util.Scanner;
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public class Main {
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public static void main(String[] args) {
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// インスタンス化
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TicketManager manager = new TicketManager();
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manager.addTicket(new Ticket("001", "ROCK IN JAPAN 2026", "2026-09-12", 16000));
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manager.addTicket(new Ticket("002", "ROCK IN JAPAN 2026", "2026-09-13", 16000));
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manager.addTicket(new Ticket("003", "ROCK IN JAPAN 2026", "2026-09-19", 16000));
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manager.addTicket(new Ticket("004", "ROCK IN JAPAN 2026", "2026-09-20", 16000));
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manager.addTicket(new Ticket("005", "ROCK IN JAPAN 2026", "2026-09-21", 16000));
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manager.addTicket(new Ticket("R001", "ROCK IN JAPAN 2026", "2026-09-12", 16000));
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manager.addTicket(new Ticket("R002", "ROCK IN JAPAN 2026", "2026-09-13", 16000));
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manager.addTicket(new Ticket("R003", "ROCK IN JAPAN 2026", "2026-09-19", 16000));
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manager.addTicket(new Ticket("R004", "ROCK IN JAPAN 2026", "2026-09-20", 16000));
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manager.addTicket(new Ticket("R005", "ROCK IN JAPAN 2026", "2026-09-21", 16000));
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manager.addTicket(new Ticket("S001", "SUMMER SONIC 2026", "2026-08-14", 21000));
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manager.addTicket(new Ticket("S002", "SUMMER SONIC 2026", "2026-08-15", 21000));
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manager.addTicket(new Ticket("S003", "SUMMER SONIC 2026", "2026-08-16", 21000));
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manager.showAllTockets();
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System.out.println();
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System.out.println("=== 日付ごとの予約仕分け結果 ===");
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System.out.println("2026-09-12 (1日目) の予約件数:" + manager.GetCountByDate("2026-09-12") + "件");
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System.out.println("2026-09-13 (2日目) の予約件数:" + manager.GetCountByDate("2026-09-13") + "件");
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System.out.println("2026-09-19 (3日目) の予約件数:" + manager.GetCountByDate("2026-09-19") + "件");
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System.out.println("2026-09-20 (4日目) の予約件数:" + manager.GetCountByDate("2026-09-20") + "件");
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System.out.println("2026-09-21 (5日目) の予約件数:" + manager.GetCountByDate("2026-09-21") + "件");
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Scanner scanner = new Scanner(System.in);
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System.out.println();
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System.out.println("現在の予約件数合計:" + Ticket.getReservedCount() + "件");
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System.out.println();
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// テスト
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System.out.println("テスト");
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Ticket sample = new Ticket("T999", "テストイベント", "2026-09-22", 16000);
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sample.setEventName("");
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while (true) {
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System.out.println("システムを開始します");
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System.out.println("1:予約検索 2:新規予約 3:予約変更 4:予約キャンセル 0:終了");
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System.out.println("番号を選択してください");
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int menu = scanner.nextInt();
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switch (menu) {
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case 1:
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System.out.println("予約検索メニュー");
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System.out.println("1:全検索 2:条件検索 それ以外:戻る");
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System.out.println("番号を入力してください");
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int serchMenu = scanner.nextInt();
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if (serchMenu == 1) {
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System.out.println("チケット一覧");
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manager.showAllTockets();
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} else if (serchMenu == 2) {
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System.out.println("検索するイベント名を入力してください");
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String keyword = scanner.nextLine();
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manager.searchByEventName(keyword);
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} else {
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System.out.println("メニューに戻る");
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}
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break;
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case 2:
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System.out.println("イベントを選択してください:");
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System.out.println("1: ROCK IN JAPAN 2026");
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System.out.println("2: SUMMER SONIC 2026");
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System.out.println("番号を選択してください ");
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int eventChoice = scanner.nextInt();
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// 三項演算子
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String prefix = (eventChoice == 2) ? "S" : "R";
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String name = (eventChoice == 2) ? "SUMMER SONIC 2026" : "ROCK IN JAPAN 2026";
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String[] dates;
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int[] prices;
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if (eventChoice == 1) {
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dates = new String[] { "2026-09-12", "2026-09-13", "2026-09-19", "2026-09-20", "2026-09-21" };
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prices = new int[] { 16000, 16000, 16000, 16000, 16000 };
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} else {
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dates = new String[] { "2026-08-14", "2026-08-15", "2026-08-16" };
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prices = new int[] { 21000, 21000, 21000 };
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}
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System.out.println("\n開催日と価格を選択してください:");
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for (int i = 0; i < dates.length; i++) {
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System.out.println((i + 1) + ": " + dates[i] + " - (" + prices[i] + "円)");
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}
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System.out.println("番号を選択してください ");
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int detailChoice = scanner.nextInt();
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// 配列から選択された値を取り出す
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String date = dates[detailChoice - 1];
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int price = prices[detailChoice - 1];
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String nextId = prefix + String.format("%03d", manager.getCountByPrefix(prefix) + 1);
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Ticket newTicket = new Ticket(nextId, name, date, price);
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manager.addTicket(newTicket);
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System.out.println("選択したイベント・日程で予約が正常に登録されました!");
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System.out.println("発行ID;" + nextId);
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break;
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case 3:
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System.out.println("予約内容の変更");
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break;
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case 4:
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System.out.println("予約のキャンセル");
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break;
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case 0:
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System.out.println("チケット予約管理システムを終了します");
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scanner.close();
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return;
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default:
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System.out.println("無効な入力です。");
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break;
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}
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}
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// String[] dates = { "2026-09-12", "2026-09-13", "2026-09-19", "2026-09-20", "2026-09-21" };
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// System.out.println("=== 日付ごとの予約仕分け結果 ===");
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//
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// for (int i = 0; i < dates.length; i++) {
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// String targetDate = dates[i];
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// int count = manager.GetCountByDate(targetDate);
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// System.out.println(targetDate + " (" + (i + 1) + "日目) の予約件数:" + count + "件");
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//
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// }
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// System.out.println("現在の予約件数合計:" + Ticket.getReservedCount() + "件");
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}
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}
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@@ -10,9 +10,10 @@ public class Ticket extends BaseTicket {
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}
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public Ticket(String ticketId, String eventName, String eventData, int price) {
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// BaseTicketのコンストラクタを動かすため
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super(ticketId, eventName, eventData);
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this.price = price;
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// チケットが追加されるたびに予約件数をカウントアップ
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reservedCount++;
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}
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@@ -5,17 +5,19 @@ public class TicketManager {
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// 可変長の配列作成
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private List<BaseTicket> tickets = new ArrayList<>();
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// ポリモーフィズム
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// リストにチケットを追加
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public void addTicket(BaseTicket ticket) {
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tickets.add(ticket);
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}
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// ポリモーフィズム
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public void showAllTockets() {
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// for-each文
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for (BaseTicket ticket : tickets) {
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ticket.showInfo();
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}
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}
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// 日付ごとの仕分け
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public int GetCountByDate(String targetDate) {
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int count = 0;
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@@ -26,4 +28,37 @@ public class TicketManager {
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}
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return count;
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}
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// イベント名で検索メソッド
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public void searchByEventName(String keyword) {
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boolean found = false;
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for (BaseTicket ticket : tickets) {
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// キーワードが含まれているかチェック
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if (ticket.getEventName().toLowerCase().contains(keyword.toLowerCase())) {
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ticket.showInfo();
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found = true;
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}
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}
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if (!found) {
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System.out.println("該当するイベントの予約は見つかりませんでした。");
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}
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}
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public int getReservedCount() {
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return tickets.size();
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}
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// 指定された接頭辞(R か S)で始まるチケットの数を数える
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public int getCountByPrefix(String prefix) {
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int count = 0;
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for (BaseTicket ticket : tickets) {
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// ticketId が null でないことを確認して前方一致チェック
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if (ticket.getTicketId() != null && ticket.getTicketId().startsWith(prefix)) {
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count++;
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}
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}
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return count;
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}
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}
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