回答編集履歴
5
追記
test
CHANGED
@@ -636,9 +636,9 @@
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636
636
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637
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テストメソッドの結果がtrueなら、J,Q,Kのスコア算出に関しては頭の意識外にほぼ置いて置けるのです。
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638
638
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639
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-
残りのスコア計算で必要なのはaceカードかそうでないかを判定して処理を記述するだけです。
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639
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+
残りのスコア計算で必要なのはaceカードかそうでないかを判定して処理を記述するだけです。そしてこのコードに関してはキーボード入力は必要ないのです。
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640
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-
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640
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+
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641
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-
int型やString型を変数に使うのも一つの手ですが、クラス化してテストしやすさを意識してみるといいかもです。
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641
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+
`int`型や`String`型を変数に使うのも一つの手ですが、クラス化して**テストしやすさ**を意識してみるといいかもです。
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642
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643
643
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644
644
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4
追記
test
CHANGED
@@ -566,8 +566,102 @@
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566
566
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567
567
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}
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568
568
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569
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-
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570
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-
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571
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-
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572
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-
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573
569
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```
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570
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+
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572
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573
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+
---
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574
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575
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576
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577
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> 実際の処理はできるだけMain関数には書かず自分でつくったクラス、メソッドの中に
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578
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+
|
579
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+
> 書いたほうがいいのでしょうか?
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580
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+
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581
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+
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582
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+
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583
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+
コードの規模とコーディングルールとかによって変わりますが。
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584
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+
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585
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+
**ぶっちゃけて言うとteratailでよくある質問内容なら、mainに全部書いても動くことは動きます。**
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586
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+
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587
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+
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588
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+
|
589
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+
私が`main`メソッドに書かない理由は以下の2点です。
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590
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|
591
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+
0. `main`メソッドが`static`メソッドである点
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592
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+
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593
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+
→このため他のメソッドを呼び出す時に`static`宣言しないといけない
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594
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+
|
595
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+
0. 一つのメソッドが長いと依存が増えてテストしずらい。
|
596
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+
|
597
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+
→テスト容易性は大事です。今回のコードでキーボードからの外部入力が必要な部分は**Playerクラスのtrunメソッドだけ**です。他のクラスはキーボードからの外部入力は不要です。でもmainに全部記述すると、
|
598
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+
|
599
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+
いちいちキーボード入力を行う必要があります。
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600
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+
|
601
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+
※ここは後ほど具体的なコードで説明します。
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602
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+
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603
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+
|
604
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+
|
605
|
+
クラス分けに関しては最初はアクター:役者(もしくは主語)をクラス化してみてどうでしょうか、今回の場合だと、以下のようになります。
|
606
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+
|
607
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+
|アクター|クラス|
|
608
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+
|
609
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+
|:--|:--:|
|
610
|
+
|
611
|
+
|ゲームマスター|GameMaster|
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612
|
+
|
613
|
+
|プレイヤー|Player|
|
614
|
+
|
615
|
+
|ディラー|Dealer|
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616
|
+
|
617
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+
|カード|Card|
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618
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+
|
619
|
+
|カードデッキ|CardDeck|
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620
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+
|
621
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+
|
622
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+
|
623
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+
話を戻しますが、例えばブラックジャックのスコア計算を行いたい場合
|
624
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+
|
625
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+
|
626
|
+
|
627
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+
0. カードの11:J, 12:Q, 13:Kはスコアを10として扱う。
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628
|
+
|
629
|
+
0. Aceカードは1または11として扱う。
|
630
|
+
|
631
|
+
0. 残りのカードは数字(Rank)をスコアとして加算する。
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632
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+
|
633
|
+
|
634
|
+
|
635
|
+
このスコア部分をテストしたい場合、回答文のコードなら以下のようなテストコードを作れます。
|
636
|
+
|
637
|
+
テストメソッドの結果がtrueなら、J,Q,Kのスコア算出に関しては頭の意識外にほぼ置いて置けるのです。
|
638
|
+
|
639
|
+
残りのスコア計算で必要なのはaceカードかそうでないかを判定して処理を記述するだけです。
|
640
|
+
|
641
|
+
int型やString型を変数に使うのも一つの手ですが、クラス化してテストしやすさを意識してみるといいかもです。
|
642
|
+
|
643
|
+
|
644
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+
|
645
|
+
```Java
|
646
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+
|
647
|
+
public static boolean testCardScore_JQK() {
|
648
|
+
|
649
|
+
|
650
|
+
|
651
|
+
Card[] jqk = { new Card("\u2660", 11), new Card("\u2660", 12), new Card("\u2660", 13) };
|
652
|
+
|
653
|
+
for (Card c : jqk) {
|
654
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+
|
655
|
+
if (c.calcScore() != 10) {
|
656
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+
|
657
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+
return false;
|
658
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+
|
659
|
+
}
|
660
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+
|
661
|
+
}
|
662
|
+
|
663
|
+
return true;
|
664
|
+
|
665
|
+
}
|
666
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+
|
667
|
+
```
|
3
追記
test
CHANGED
@@ -10,572 +10,564 @@
|
|
10
10
|
|
11
11
|
※)元の質問文の要件にはないですが、柄(Suit)対応も行いました。
|
12
12
|
|
13
|
-
ポイントはcard_listからのカードを配る(deal)事をCardDeckクラスを新設して管理している点でしょうか。こうすることで、dealメソッドが正しく動作すれば、他のクラスではcard_listの状態を意識しなくても良くなります。
|
13
|
+
ポイントは`card_list`からのカードを配る(`deal`)事を`CardDeck`クラスを新設して管理している点でしょうか。こうすることで、`CardDeck#deal`メソッドが正しく動作すれば、他のクラスでは`card_list`の内部状態を意識しなくても良くなります。
|
14
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+
|
15
|
+
|
14
16
|
|
15
17
|
```Java
|
16
18
|
|
19
|
+
import java.util.ArrayDeque;
|
20
|
+
|
21
|
+
import java.util.ArrayList;
|
22
|
+
|
23
|
+
import java.util.Arrays;
|
24
|
+
|
25
|
+
import java.util.Collections;
|
26
|
+
|
27
|
+
import java.util.Deque;
|
28
|
+
|
29
|
+
import java.util.List;
|
30
|
+
|
31
|
+
import java.util.Objects;
|
32
|
+
|
33
|
+
import java.util.Random;
|
34
|
+
|
35
|
+
import java.util.Scanner;
|
36
|
+
|
37
|
+
import java.util.stream.Collectors;
|
38
|
+
|
39
|
+
import java.util.stream.IntStream;
|
40
|
+
|
41
|
+
|
42
|
+
|
43
|
+
public class A122097 {
|
44
|
+
|
45
|
+
public static void main(String[] args) {
|
46
|
+
|
47
|
+
GameMaster game = new GameMaster();
|
48
|
+
|
49
|
+
game.start();
|
50
|
+
|
51
|
+
game.showResult();
|
52
|
+
|
53
|
+
}
|
54
|
+
|
55
|
+
}
|
56
|
+
|
57
|
+
|
58
|
+
|
59
|
+
class InputUtils {
|
60
|
+
|
61
|
+
private static Scanner sc = new Scanner(System.in);
|
62
|
+
|
63
|
+
|
64
|
+
|
65
|
+
public static int readInt() {
|
66
|
+
|
67
|
+
while (true) {
|
68
|
+
|
69
|
+
try {
|
70
|
+
|
71
|
+
return Integer.parseInt(sc.nextLine());
|
72
|
+
|
73
|
+
} catch (NumberFormatException ex) {
|
74
|
+
|
75
|
+
System.err.println(ex);
|
76
|
+
|
77
|
+
}
|
78
|
+
|
79
|
+
}
|
80
|
+
|
81
|
+
}
|
82
|
+
|
83
|
+
}
|
84
|
+
|
85
|
+
|
86
|
+
|
87
|
+
class GameMaster {
|
88
|
+
|
89
|
+
private static final CardDeck deck = new CardDeck();
|
90
|
+
|
91
|
+
private final Player dealer = new Dealer("ディラー");
|
92
|
+
|
93
|
+
private final List<Player> players = Collections.unmodifiableList(Arrays.asList(new Player("あなた"), dealer));
|
94
|
+
|
95
|
+
|
96
|
+
|
97
|
+
enum Judge {
|
98
|
+
|
99
|
+
Win("勝ちました!!"), Draw("引き分け"), Lose("負けました.....");
|
100
|
+
|
101
|
+
|
102
|
+
|
103
|
+
private final String label;
|
104
|
+
|
105
|
+
|
106
|
+
|
107
|
+
Judge(String label) {
|
108
|
+
|
109
|
+
this.label = label;
|
110
|
+
|
111
|
+
}
|
112
|
+
|
113
|
+
|
114
|
+
|
115
|
+
@Override
|
116
|
+
|
117
|
+
public String toString() {
|
118
|
+
|
119
|
+
return this.label;
|
120
|
+
|
121
|
+
}
|
122
|
+
|
123
|
+
}
|
124
|
+
|
125
|
+
|
126
|
+
|
127
|
+
public void start() {
|
128
|
+
|
129
|
+
// 参加者に2枚ずつカードを配る。
|
130
|
+
|
131
|
+
IntStream.range(0, 2).forEach((i) -> {
|
132
|
+
|
133
|
+
for (Player p : players) {
|
134
|
+
|
135
|
+
p.deal();
|
136
|
+
|
137
|
+
}
|
138
|
+
|
139
|
+
});
|
140
|
+
|
141
|
+
// ディラーのカードを表示
|
142
|
+
|
143
|
+
System.out.println(dealer);
|
144
|
+
|
145
|
+
|
146
|
+
|
147
|
+
while (true) {
|
148
|
+
|
149
|
+
int skiped = players.stream().mapToInt(Player::trun).sum();
|
150
|
+
|
151
|
+
// 参加者全員スキップなら
|
152
|
+
|
153
|
+
if (skiped == 0) {
|
154
|
+
|
155
|
+
break;
|
156
|
+
|
157
|
+
}
|
158
|
+
|
159
|
+
}
|
160
|
+
|
161
|
+
}
|
162
|
+
|
163
|
+
|
164
|
+
|
165
|
+
public static Card deal() {
|
166
|
+
|
167
|
+
return deck.deal();
|
168
|
+
|
169
|
+
}
|
170
|
+
|
171
|
+
|
172
|
+
|
173
|
+
public Judge judge(Player player, Player dealer) {
|
174
|
+
|
175
|
+
int compared = player.compareTo(dealer);
|
176
|
+
|
177
|
+
if (compared == 0) {
|
178
|
+
|
179
|
+
return Judge.Draw;
|
180
|
+
|
181
|
+
}
|
182
|
+
|
183
|
+
if (compared < 0) {
|
184
|
+
|
185
|
+
return Judge.Lose;
|
186
|
+
|
187
|
+
}
|
188
|
+
|
189
|
+
return Judge.Win;
|
190
|
+
|
191
|
+
}
|
192
|
+
|
193
|
+
|
194
|
+
|
195
|
+
public void showResult() {
|
196
|
+
|
197
|
+
System.out.println(String.join("", Collections.nCopies(40, "#")));
|
198
|
+
|
199
|
+
System.out.println("最終結果");
|
200
|
+
|
201
|
+
for (Player p : players) {
|
202
|
+
|
203
|
+
System.out.print(p);
|
204
|
+
|
205
|
+
System.out.println(" 合計:" + p.calcScore());
|
206
|
+
|
207
|
+
}
|
208
|
+
|
209
|
+
// プレイヤーとディラーの勝敗判定
|
210
|
+
|
211
|
+
Judge judge = judge(players.get(0), dealer);
|
212
|
+
|
213
|
+
System.out.println(judge);
|
214
|
+
|
215
|
+
}
|
216
|
+
|
217
|
+
}
|
218
|
+
|
219
|
+
|
220
|
+
|
221
|
+
class Player implements Comparable<Player> {
|
222
|
+
|
223
|
+
private static final int BLACK_JACK = 21;
|
224
|
+
|
225
|
+
// 手札
|
226
|
+
|
227
|
+
private final List<Card> myCardList = new ArrayList<>();
|
228
|
+
|
229
|
+
private final String name;
|
230
|
+
|
231
|
+
// 変数:user_stopと変数:dealer_stopはここ
|
232
|
+
|
233
|
+
protected boolean skiped = false;
|
234
|
+
|
235
|
+
|
236
|
+
|
237
|
+
public Player(String name) {
|
238
|
+
|
239
|
+
this.name = name;
|
240
|
+
|
241
|
+
}
|
242
|
+
|
243
|
+
|
244
|
+
|
245
|
+
public String getName() {
|
246
|
+
|
247
|
+
return this.name;
|
248
|
+
|
249
|
+
}
|
250
|
+
|
251
|
+
|
252
|
+
|
253
|
+
public void deal() {
|
254
|
+
|
255
|
+
// Player#Draw_Cardはここ
|
256
|
+
|
257
|
+
// 山から一枚カードを引いて手札に加える。
|
258
|
+
|
259
|
+
Card c = GameMaster.deal();
|
260
|
+
|
261
|
+
myCardList.add(c);
|
262
|
+
|
263
|
+
}
|
264
|
+
|
265
|
+
|
266
|
+
|
267
|
+
public boolean isSkip() {
|
268
|
+
|
269
|
+
return skiped || isBusting();
|
270
|
+
|
271
|
+
}
|
272
|
+
|
273
|
+
|
274
|
+
|
275
|
+
public int trun() {
|
276
|
+
|
277
|
+
if (isSkip()) {
|
278
|
+
|
279
|
+
return 0;
|
280
|
+
|
281
|
+
}
|
282
|
+
|
283
|
+
System.out.println(this.toString());
|
284
|
+
|
285
|
+
System.out.println("カードを引きますか?");
|
286
|
+
|
287
|
+
System.out.print("yes -> 1 no -> 0 を入力");
|
288
|
+
|
289
|
+
int n = 0;
|
290
|
+
|
291
|
+
do {
|
292
|
+
|
293
|
+
n = InputUtils.readInt();
|
294
|
+
|
295
|
+
if (n == 0) {
|
296
|
+
|
297
|
+
skiped = true;
|
298
|
+
|
299
|
+
return 0;
|
300
|
+
|
301
|
+
}
|
302
|
+
|
303
|
+
} while (n != 1);
|
304
|
+
|
305
|
+
|
306
|
+
|
307
|
+
this.deal();
|
308
|
+
|
309
|
+
return 1;
|
310
|
+
|
311
|
+
}
|
312
|
+
|
313
|
+
|
314
|
+
|
315
|
+
public boolean isBusting() {
|
316
|
+
|
317
|
+
// Player#Judge_burstはここ
|
318
|
+
|
319
|
+
return calcScore() > BLACK_JACK;
|
320
|
+
|
321
|
+
}
|
322
|
+
|
323
|
+
|
324
|
+
|
325
|
+
public int calcScore() {
|
326
|
+
|
327
|
+
// Player#calc_sumはここ
|
328
|
+
|
329
|
+
int aces_count = 0;
|
330
|
+
|
331
|
+
int sum = 0;
|
332
|
+
|
333
|
+
for (Card c : this.myCardList) {
|
334
|
+
|
335
|
+
int rank = c.calcScore();
|
336
|
+
|
337
|
+
if (rank == 1) {
|
338
|
+
|
339
|
+
aces_count++;
|
340
|
+
|
341
|
+
continue;
|
342
|
+
|
343
|
+
}
|
344
|
+
|
345
|
+
sum += rank;
|
346
|
+
|
347
|
+
}
|
348
|
+
|
349
|
+
if (aces_count == 0) {
|
350
|
+
|
351
|
+
return sum;
|
352
|
+
|
353
|
+
}
|
354
|
+
|
355
|
+
// Aceカードのスコア計算
|
356
|
+
|
357
|
+
int aces_sum = 11 + (aces_count - 1);
|
358
|
+
|
359
|
+
if (aces_sum + sum > BLACK_JACK) {
|
360
|
+
|
361
|
+
aces_sum = aces_count;
|
362
|
+
|
363
|
+
}
|
364
|
+
|
365
|
+
return sum + aces_sum;
|
366
|
+
|
367
|
+
}
|
368
|
+
|
369
|
+
|
370
|
+
|
371
|
+
@Override
|
372
|
+
|
373
|
+
public int compareTo(Player o) {
|
374
|
+
|
375
|
+
if (this.isBusting()) {
|
376
|
+
|
377
|
+
return -1;
|
378
|
+
|
379
|
+
}
|
380
|
+
|
381
|
+
// ディラー
|
382
|
+
|
383
|
+
if (o.isBusting()) {
|
384
|
+
|
385
|
+
return 1;
|
386
|
+
|
387
|
+
}
|
388
|
+
|
389
|
+
return Integer.compare(this.calcScore(), o.calcScore());
|
390
|
+
|
391
|
+
}
|
392
|
+
|
393
|
+
|
394
|
+
|
395
|
+
@Override
|
396
|
+
|
397
|
+
public String toString() {
|
398
|
+
|
399
|
+
// Player#Show_Listはここ
|
400
|
+
|
401
|
+
return name + "が持っているカード:" + myCardList.stream().map(String::valueOf).collect(Collectors.joining(" "));
|
402
|
+
|
403
|
+
}
|
404
|
+
|
405
|
+
}
|
406
|
+
|
407
|
+
|
408
|
+
|
409
|
+
class Dealer extends Player {
|
410
|
+
|
411
|
+
public Dealer(String name) {
|
412
|
+
|
413
|
+
super(name);
|
414
|
+
|
415
|
+
}
|
416
|
+
|
417
|
+
|
418
|
+
|
419
|
+
@Override
|
420
|
+
|
421
|
+
public int trun() {
|
422
|
+
|
423
|
+
if (isSkip()) {
|
424
|
+
|
425
|
+
return 0;
|
426
|
+
|
427
|
+
}
|
428
|
+
|
429
|
+
/// soft 17 rule
|
430
|
+
|
431
|
+
int score = this.calcScore();
|
432
|
+
|
433
|
+
if (score >= 17) {
|
434
|
+
|
435
|
+
System.out.println(this.getName() + "はカードを引きません。");
|
436
|
+
|
437
|
+
skiped = true;
|
438
|
+
|
439
|
+
return 0;
|
440
|
+
|
441
|
+
}
|
442
|
+
|
443
|
+
System.out.println(this.getName() + "はカードを引きます。");
|
444
|
+
|
445
|
+
this.deal();
|
446
|
+
|
447
|
+
return 1;
|
448
|
+
|
449
|
+
}
|
450
|
+
|
451
|
+
}
|
452
|
+
|
453
|
+
|
454
|
+
|
455
|
+
class Card {
|
456
|
+
|
457
|
+
// BLACK SPADE, BLACK CLUB, WHITE DIAMOND, WHITE HEART
|
458
|
+
|
459
|
+
public static final List<String> SUITS = Collections
|
460
|
+
|
461
|
+
.unmodifiableList(Arrays.asList("\u2660", "\u2663", "\u2662", "\u2661"));
|
462
|
+
|
463
|
+
public static final List<String> RANKS = Collections
|
464
|
+
|
465
|
+
.unmodifiableList(Arrays.asList("A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"));
|
466
|
+
|
467
|
+
|
468
|
+
|
469
|
+
private final String suit;
|
470
|
+
|
471
|
+
private final int rank;
|
472
|
+
|
473
|
+
|
474
|
+
|
475
|
+
public Card(String suit, int rank) {
|
476
|
+
|
477
|
+
Objects.requireNonNull(suit);
|
478
|
+
|
479
|
+
if (rank > RANKS.size()) {
|
480
|
+
|
481
|
+
throw new IllegalArgumentException(Integer.toString(rank));
|
482
|
+
|
483
|
+
}
|
484
|
+
|
485
|
+
this.suit = suit;
|
486
|
+
|
487
|
+
this.rank = rank;
|
488
|
+
|
489
|
+
}
|
490
|
+
|
491
|
+
|
492
|
+
|
493
|
+
public int calcScore() {
|
494
|
+
|
495
|
+
return Math.min(this.rank, 10);
|
496
|
+
|
497
|
+
}
|
498
|
+
|
499
|
+
|
500
|
+
|
501
|
+
@Override
|
502
|
+
|
503
|
+
public String toString() {
|
504
|
+
|
505
|
+
// Player#card_nameはここ
|
506
|
+
|
507
|
+
return this.suit + RANKS.get(this.rank - 1);
|
508
|
+
|
509
|
+
}
|
510
|
+
|
511
|
+
}
|
512
|
+
|
513
|
+
|
514
|
+
|
515
|
+
class CardDeck {
|
516
|
+
|
517
|
+
// Sum#mainの変数:card_list はここ
|
518
|
+
|
519
|
+
private final Deque<Card> cards;
|
520
|
+
|
521
|
+
|
522
|
+
|
523
|
+
public CardDeck() {
|
524
|
+
|
525
|
+
List<Card> card_list = new ArrayList<>(Card.RANKS.size() * Card.SUITS.size());
|
526
|
+
|
527
|
+
IntStream.rangeClosed(1, Card.RANKS.size()).forEach((i) -> {
|
528
|
+
|
529
|
+
for (String suit : Card.SUITS) {
|
530
|
+
|
531
|
+
card_list.add(new Card(suit, i));
|
532
|
+
|
533
|
+
}
|
534
|
+
|
535
|
+
});
|
536
|
+
|
17
|
-
|
537
|
+
Random rnd = new Random();
|
538
|
+
|
539
|
+
// Random#setSeedでshuffleの実行結果を固定化(テスト用)
|
540
|
+
|
541
|
+
// rnd.setSeed(42);
|
542
|
+
|
543
|
+
Collections.shuffle(card_list, rnd);
|
544
|
+
|
545
|
+
cards = new ArrayDeque<>(card_list);
|
546
|
+
|
547
|
+
}
|
548
|
+
|
549
|
+
|
550
|
+
|
551
|
+
public Card deal() {
|
552
|
+
|
553
|
+
return cards.removeFirst();
|
554
|
+
|
555
|
+
}
|
556
|
+
|
557
|
+
|
558
|
+
|
559
|
+
@Override
|
560
|
+
|
561
|
+
public String toString() {
|
562
|
+
|
563
|
+
return Arrays.toString(cards.toArray(new Card[0]));
|
564
|
+
|
565
|
+
}
|
566
|
+
|
567
|
+
}
|
568
|
+
|
569
|
+
|
570
|
+
|
571
|
+
|
18
572
|
|
19
573
|
```
|
20
|
-
|
21
|
-
|
22
|
-
|
23
|
-
|
24
|
-
|
25
|
-
```Java
|
26
|
-
|
27
|
-
import java.util.ArrayDeque;
|
28
|
-
|
29
|
-
import java.util.ArrayList;
|
30
|
-
|
31
|
-
import java.util.Arrays;
|
32
|
-
|
33
|
-
import java.util.Collections;
|
34
|
-
|
35
|
-
import java.util.Deque;
|
36
|
-
|
37
|
-
import java.util.List;
|
38
|
-
|
39
|
-
import java.util.Objects;
|
40
|
-
|
41
|
-
import java.util.Random;
|
42
|
-
|
43
|
-
import java.util.Scanner;
|
44
|
-
|
45
|
-
import java.util.stream.Collectors;
|
46
|
-
|
47
|
-
import java.util.stream.IntStream;
|
48
|
-
|
49
|
-
|
50
|
-
|
51
|
-
public class A122097 {
|
52
|
-
|
53
|
-
public static void main(String[] args) {
|
54
|
-
|
55
|
-
GameMaster game = new GameMaster();
|
56
|
-
|
57
|
-
game.start();
|
58
|
-
|
59
|
-
game.showResult();
|
60
|
-
|
61
|
-
}
|
62
|
-
|
63
|
-
}
|
64
|
-
|
65
|
-
|
66
|
-
|
67
|
-
class InputUtils {
|
68
|
-
|
69
|
-
private static Scanner sc = new Scanner(System.in);
|
70
|
-
|
71
|
-
|
72
|
-
|
73
|
-
public static int readInt() {
|
74
|
-
|
75
|
-
while (true) {
|
76
|
-
|
77
|
-
try {
|
78
|
-
|
79
|
-
return Integer.parseInt(sc.nextLine());
|
80
|
-
|
81
|
-
} catch (NumberFormatException ex) {
|
82
|
-
|
83
|
-
System.err.println(ex);
|
84
|
-
|
85
|
-
}
|
86
|
-
|
87
|
-
}
|
88
|
-
|
89
|
-
}
|
90
|
-
|
91
|
-
}
|
92
|
-
|
93
|
-
|
94
|
-
|
95
|
-
class GameMaster {
|
96
|
-
|
97
|
-
private static final CardDeck deck = new CardDeck();
|
98
|
-
|
99
|
-
private final Player dealer = new Dealer("ディラー");
|
100
|
-
|
101
|
-
private final List<Player> players = Collections.unmodifiableList(Arrays.asList(new Player("あなた"), dealer));
|
102
|
-
|
103
|
-
|
104
|
-
|
105
|
-
enum Judge {
|
106
|
-
|
107
|
-
Win("勝ちました!!"), Draw("引き分け"), Lose("負けました.....");
|
108
|
-
|
109
|
-
|
110
|
-
|
111
|
-
private final String label;
|
112
|
-
|
113
|
-
|
114
|
-
|
115
|
-
Judge(String label) {
|
116
|
-
|
117
|
-
this.label = label;
|
118
|
-
|
119
|
-
}
|
120
|
-
|
121
|
-
|
122
|
-
|
123
|
-
@Override
|
124
|
-
|
125
|
-
public String toString() {
|
126
|
-
|
127
|
-
return this.label;
|
128
|
-
|
129
|
-
}
|
130
|
-
|
131
|
-
}
|
132
|
-
|
133
|
-
|
134
|
-
|
135
|
-
public void start() {
|
136
|
-
|
137
|
-
// 参加者に2枚ずつカードを配る。
|
138
|
-
|
139
|
-
IntStream.range(0, 2).forEach((i) -> {
|
140
|
-
|
141
|
-
for (Player p : players) {
|
142
|
-
|
143
|
-
p.deal();
|
144
|
-
|
145
|
-
}
|
146
|
-
|
147
|
-
});
|
148
|
-
|
149
|
-
// ディラーのカードを表示
|
150
|
-
|
151
|
-
System.out.println(dealer);
|
152
|
-
|
153
|
-
|
154
|
-
|
155
|
-
while (true) {
|
156
|
-
|
157
|
-
int skiped = players.stream().mapToInt(Player::trun).sum();
|
158
|
-
|
159
|
-
// 参加者全員スキップなら
|
160
|
-
|
161
|
-
if (skiped == 0) {
|
162
|
-
|
163
|
-
break;
|
164
|
-
|
165
|
-
}
|
166
|
-
|
167
|
-
}
|
168
|
-
|
169
|
-
}
|
170
|
-
|
171
|
-
|
172
|
-
|
173
|
-
public static Card deal() {
|
174
|
-
|
175
|
-
return deck.deal();
|
176
|
-
|
177
|
-
}
|
178
|
-
|
179
|
-
|
180
|
-
|
181
|
-
public Judge judge(Player player, Player dealer) {
|
182
|
-
|
183
|
-
int compared = player.compareTo(dealer);
|
184
|
-
|
185
|
-
if (compared == 0) {
|
186
|
-
|
187
|
-
return Judge.Draw;
|
188
|
-
|
189
|
-
}
|
190
|
-
|
191
|
-
if (compared < 0) {
|
192
|
-
|
193
|
-
return Judge.Lose;
|
194
|
-
|
195
|
-
}
|
196
|
-
|
197
|
-
return Judge.Win;
|
198
|
-
|
199
|
-
}
|
200
|
-
|
201
|
-
|
202
|
-
|
203
|
-
public void showResult() {
|
204
|
-
|
205
|
-
System.out.println(String.join("", Collections.nCopies(40, "#")));
|
206
|
-
|
207
|
-
System.out.println("最終結果");
|
208
|
-
|
209
|
-
for (Player p : players) {
|
210
|
-
|
211
|
-
System.out.print(p);
|
212
|
-
|
213
|
-
System.out.println(" 合計:" + p.calcScore());
|
214
|
-
|
215
|
-
}
|
216
|
-
|
217
|
-
// プレイヤーとディラーの勝敗判定
|
218
|
-
|
219
|
-
Judge judge = judge(players.get(0), dealer);
|
220
|
-
|
221
|
-
System.out.println(judge);
|
222
|
-
|
223
|
-
}
|
224
|
-
|
225
|
-
}
|
226
|
-
|
227
|
-
|
228
|
-
|
229
|
-
class Player implements Comparable<Player> {
|
230
|
-
|
231
|
-
private static final int BLACK_JACK = 21;
|
232
|
-
|
233
|
-
// 手札
|
234
|
-
|
235
|
-
private final List<Card> myCardList = new ArrayList<>();
|
236
|
-
|
237
|
-
private final String name;
|
238
|
-
|
239
|
-
// 変数:user_stopと変数:dealer_stopはここ
|
240
|
-
|
241
|
-
protected boolean skiped = false;
|
242
|
-
|
243
|
-
|
244
|
-
|
245
|
-
public Player(String name) {
|
246
|
-
|
247
|
-
this.name = name;
|
248
|
-
|
249
|
-
}
|
250
|
-
|
251
|
-
|
252
|
-
|
253
|
-
public String getName() {
|
254
|
-
|
255
|
-
return this.name;
|
256
|
-
|
257
|
-
}
|
258
|
-
|
259
|
-
|
260
|
-
|
261
|
-
public void deal() {
|
262
|
-
|
263
|
-
// Player#Draw_Cardはここ
|
264
|
-
|
265
|
-
// 山から一枚カードを引いて手札に加える。
|
266
|
-
|
267
|
-
Card c = GameMaster.deal();
|
268
|
-
|
269
|
-
myCardList.add(c);
|
270
|
-
|
271
|
-
}
|
272
|
-
|
273
|
-
|
274
|
-
|
275
|
-
public boolean isSkip() {
|
276
|
-
|
277
|
-
return skiped || isBusting();
|
278
|
-
|
279
|
-
}
|
280
|
-
|
281
|
-
|
282
|
-
|
283
|
-
public int trun() {
|
284
|
-
|
285
|
-
if (isSkip()) {
|
286
|
-
|
287
|
-
return 0;
|
288
|
-
|
289
|
-
}
|
290
|
-
|
291
|
-
System.out.println(this.toString());
|
292
|
-
|
293
|
-
System.out.println("カードを引きますか?");
|
294
|
-
|
295
|
-
System.out.print("yes -> 1 no -> 0 を入力");
|
296
|
-
|
297
|
-
int n = 0;
|
298
|
-
|
299
|
-
do {
|
300
|
-
|
301
|
-
n = InputUtils.readInt();
|
302
|
-
|
303
|
-
if (n == 0) {
|
304
|
-
|
305
|
-
skiped = true;
|
306
|
-
|
307
|
-
return 0;
|
308
|
-
|
309
|
-
}
|
310
|
-
|
311
|
-
} while (n != 1);
|
312
|
-
|
313
|
-
|
314
|
-
|
315
|
-
this.deal();
|
316
|
-
|
317
|
-
return 1;
|
318
|
-
|
319
|
-
}
|
320
|
-
|
321
|
-
|
322
|
-
|
323
|
-
public boolean isBusting() {
|
324
|
-
|
325
|
-
// Player#Judge_burstはここ
|
326
|
-
|
327
|
-
return calcScore() > BLACK_JACK;
|
328
|
-
|
329
|
-
}
|
330
|
-
|
331
|
-
|
332
|
-
|
333
|
-
public int calcScore() {
|
334
|
-
|
335
|
-
// Player#calc_sumはここ
|
336
|
-
|
337
|
-
int aces_count = 0;
|
338
|
-
|
339
|
-
int sum = 0;
|
340
|
-
|
341
|
-
for (Card c : this.myCardList) {
|
342
|
-
|
343
|
-
int rank = c.calcScore();
|
344
|
-
|
345
|
-
if (rank == 1) {
|
346
|
-
|
347
|
-
aces_count++;
|
348
|
-
|
349
|
-
continue;
|
350
|
-
|
351
|
-
}
|
352
|
-
|
353
|
-
sum += rank;
|
354
|
-
|
355
|
-
}
|
356
|
-
|
357
|
-
if (aces_count == 0) {
|
358
|
-
|
359
|
-
return sum;
|
360
|
-
|
361
|
-
}
|
362
|
-
|
363
|
-
// Aceカードのスコア計算
|
364
|
-
|
365
|
-
int aces_sum = 11 + (aces_count - 1);
|
366
|
-
|
367
|
-
if (aces_sum + sum > BLACK_JACK) {
|
368
|
-
|
369
|
-
aces_sum = aces_count;
|
370
|
-
|
371
|
-
}
|
372
|
-
|
373
|
-
return sum + aces_sum;
|
374
|
-
|
375
|
-
}
|
376
|
-
|
377
|
-
|
378
|
-
|
379
|
-
@Override
|
380
|
-
|
381
|
-
public int compareTo(Player o) {
|
382
|
-
|
383
|
-
if (this.isBusting()) {
|
384
|
-
|
385
|
-
return -1;
|
386
|
-
|
387
|
-
}
|
388
|
-
|
389
|
-
// ディラー
|
390
|
-
|
391
|
-
if (o.isBusting()) {
|
392
|
-
|
393
|
-
return 1;
|
394
|
-
|
395
|
-
}
|
396
|
-
|
397
|
-
return Integer.compare(this.calcScore(), o.calcScore());
|
398
|
-
|
399
|
-
}
|
400
|
-
|
401
|
-
|
402
|
-
|
403
|
-
@Override
|
404
|
-
|
405
|
-
public String toString() {
|
406
|
-
|
407
|
-
// Player#Show_Listはここ
|
408
|
-
|
409
|
-
return name + "が持っているカード:" + myCardList.stream().map(String::valueOf).collect(Collectors.joining(" "));
|
410
|
-
|
411
|
-
}
|
412
|
-
|
413
|
-
}
|
414
|
-
|
415
|
-
|
416
|
-
|
417
|
-
class Dealer extends Player {
|
418
|
-
|
419
|
-
public Dealer(String name) {
|
420
|
-
|
421
|
-
super(name);
|
422
|
-
|
423
|
-
}
|
424
|
-
|
425
|
-
|
426
|
-
|
427
|
-
@Override
|
428
|
-
|
429
|
-
public int trun() {
|
430
|
-
|
431
|
-
if (isSkip()) {
|
432
|
-
|
433
|
-
return 0;
|
434
|
-
|
435
|
-
}
|
436
|
-
|
437
|
-
/// soft 17 rule
|
438
|
-
|
439
|
-
int score = this.calcScore();
|
440
|
-
|
441
|
-
if (score >= 17) {
|
442
|
-
|
443
|
-
System.out.println(this.getName() + "はカードを引きません。");
|
444
|
-
|
445
|
-
skiped = true;
|
446
|
-
|
447
|
-
return 0;
|
448
|
-
|
449
|
-
}
|
450
|
-
|
451
|
-
System.out.println(this.getName() + "はカードを引きます。");
|
452
|
-
|
453
|
-
this.deal();
|
454
|
-
|
455
|
-
return 1;
|
456
|
-
|
457
|
-
}
|
458
|
-
|
459
|
-
}
|
460
|
-
|
461
|
-
|
462
|
-
|
463
|
-
class Card {
|
464
|
-
|
465
|
-
// BLACK SPADE, BLACK CLUB, WHITE DIAMOND, WHITE HEART
|
466
|
-
|
467
|
-
public static final List<String> SUITS = Collections
|
468
|
-
|
469
|
-
.unmodifiableList(Arrays.asList("\u2660", "\u2663", "\u2662", "\u2661"));
|
470
|
-
|
471
|
-
public static final List<String> RANKS = Collections
|
472
|
-
|
473
|
-
.unmodifiableList(Arrays.asList("A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"));
|
474
|
-
|
475
|
-
|
476
|
-
|
477
|
-
private final String suit;
|
478
|
-
|
479
|
-
private final int rank;
|
480
|
-
|
481
|
-
|
482
|
-
|
483
|
-
public Card(String suit, int rank) {
|
484
|
-
|
485
|
-
Objects.requireNonNull(suit);
|
486
|
-
|
487
|
-
if (rank > RANKS.size()) {
|
488
|
-
|
489
|
-
throw new IllegalArgumentException(Integer.toString(rank));
|
490
|
-
|
491
|
-
}
|
492
|
-
|
493
|
-
this.suit = suit;
|
494
|
-
|
495
|
-
this.rank = rank;
|
496
|
-
|
497
|
-
}
|
498
|
-
|
499
|
-
|
500
|
-
|
501
|
-
public int calcScore() {
|
502
|
-
|
503
|
-
return Math.min(this.rank, 10);
|
504
|
-
|
505
|
-
}
|
506
|
-
|
507
|
-
|
508
|
-
|
509
|
-
@Override
|
510
|
-
|
511
|
-
public String toString() {
|
512
|
-
|
513
|
-
// Player#card_nameはここ
|
514
|
-
|
515
|
-
return this.suit + RANKS.get(this.rank - 1);
|
516
|
-
|
517
|
-
}
|
518
|
-
|
519
|
-
}
|
520
|
-
|
521
|
-
|
522
|
-
|
523
|
-
class CardDeck {
|
524
|
-
|
525
|
-
// Sum#mainの変数:card_list はここ
|
526
|
-
|
527
|
-
private final Deque<Card> cards;
|
528
|
-
|
529
|
-
|
530
|
-
|
531
|
-
public CardDeck() {
|
532
|
-
|
533
|
-
List<Card> card_list = new ArrayList<>(Card.RANKS.size() * Card.SUITS.size());
|
534
|
-
|
535
|
-
IntStream.rangeClosed(1, Card.RANKS.size()).forEach((i) -> {
|
536
|
-
|
537
|
-
for (String suit : Card.SUITS) {
|
538
|
-
|
539
|
-
card_list.add(new Card(suit, i));
|
540
|
-
|
541
|
-
}
|
542
|
-
|
543
|
-
});
|
544
|
-
|
545
|
-
Random rnd = new Random();
|
546
|
-
|
547
|
-
// Random#setSeedでshuffleの実行結果を固定化(テスト用)
|
548
|
-
|
549
|
-
// rnd.setSeed(42);
|
550
|
-
|
551
|
-
Collections.shuffle(card_list, rnd);
|
552
|
-
|
553
|
-
cards = new ArrayDeque<>(card_list);
|
554
|
-
|
555
|
-
}
|
556
|
-
|
557
|
-
|
558
|
-
|
559
|
-
public Card deal() {
|
560
|
-
|
561
|
-
return cards.removeFirst();
|
562
|
-
|
563
|
-
}
|
564
|
-
|
565
|
-
|
566
|
-
|
567
|
-
@Override
|
568
|
-
|
569
|
-
public String toString() {
|
570
|
-
|
571
|
-
return Arrays.toString(cards.toArray(new Card[0]));
|
572
|
-
|
573
|
-
}
|
574
|
-
|
575
|
-
}
|
576
|
-
|
577
|
-
|
578
|
-
|
579
|
-
|
580
|
-
|
581
|
-
```
|
2
コメントを追加!
test
CHANGED
@@ -10,10 +10,20 @@
|
|
10
10
|
|
11
11
|
※)元の質問文の要件にはないですが、柄(Suit)対応も行いました。
|
12
12
|
|
13
|
-
|
13
|
+
ポイントはcard_listからのカードを配る(deal)事をCardDeckクラスを新設して管理している点でしょうか。こうすることで、dealメソッドが正しく動作すれば、他のクラスではcard_listの状態を意識しなくても良くなります。
|
14
14
|
|
15
15
|
```Java
|
16
16
|
|
17
|
+
int []card_list = new int[13];
|
18
|
+
|
19
|
+
```
|
20
|
+
|
21
|
+
|
22
|
+
|
23
|
+
|
24
|
+
|
25
|
+
```Java
|
26
|
+
|
17
27
|
import java.util.ArrayDeque;
|
18
28
|
|
19
29
|
import java.util.ArrayList;
|
@@ -46,7 +56,7 @@
|
|
46
56
|
|
47
57
|
game.start();
|
48
58
|
|
49
|
-
game.show
|
59
|
+
game.showResult();
|
50
60
|
|
51
61
|
}
|
52
62
|
|
@@ -86,9 +96,9 @@
|
|
86
96
|
|
87
97
|
private static final CardDeck deck = new CardDeck();
|
88
98
|
|
89
|
-
private final List<Player> players = Collections
|
90
|
-
|
91
|
-
|
99
|
+
private final Player dealer = new Dealer("ディラー");
|
100
|
+
|
101
|
+
private final List<Player> players = Collections.unmodifiableList(Arrays.asList(new Player("あなた"), dealer));
|
92
102
|
|
93
103
|
|
94
104
|
|
@@ -138,7 +148,7 @@
|
|
138
148
|
|
139
149
|
// ディラーのカードを表示
|
140
150
|
|
141
|
-
System.out.println(
|
151
|
+
System.out.println(dealer);
|
142
152
|
|
143
153
|
|
144
154
|
|
@@ -168,7 +178,7 @@
|
|
168
178
|
|
169
179
|
|
170
180
|
|
171
|
-
public Judge
|
181
|
+
public Judge judge(Player player, Player dealer) {
|
172
182
|
|
173
183
|
int compared = player.compareTo(dealer);
|
174
184
|
|
@@ -190,9 +200,9 @@
|
|
190
200
|
|
191
201
|
|
192
202
|
|
193
|
-
public void show
|
203
|
+
public void showResult() {
|
194
|
-
|
204
|
+
|
195
|
-
System.out.println(String.join("", Collections.nCopies(
|
205
|
+
System.out.println(String.join("", Collections.nCopies(40, "#")));
|
196
206
|
|
197
207
|
System.out.println("最終結果");
|
198
208
|
|
@@ -206,7 +216,7 @@
|
|
206
216
|
|
207
217
|
// プレイヤーとディラーの勝敗判定
|
208
218
|
|
209
|
-
Judge judge =
|
219
|
+
Judge judge = judge(players.get(0), dealer);
|
210
220
|
|
211
221
|
System.out.println(judge);
|
212
222
|
|
@@ -226,6 +236,8 @@
|
|
226
236
|
|
227
237
|
private final String name;
|
228
238
|
|
239
|
+
// 変数:user_stopと変数:dealer_stopはここ
|
240
|
+
|
229
241
|
protected boolean skiped = false;
|
230
242
|
|
231
243
|
|
@@ -248,6 +260,8 @@
|
|
248
260
|
|
249
261
|
public void deal() {
|
250
262
|
|
263
|
+
// Player#Draw_Cardはここ
|
264
|
+
|
251
265
|
// 山から一枚カードを引いて手札に加える。
|
252
266
|
|
253
267
|
Card c = GameMaster.deal();
|
@@ -308,6 +322,8 @@
|
|
308
322
|
|
309
323
|
public boolean isBusting() {
|
310
324
|
|
325
|
+
// Player#Judge_burstはここ
|
326
|
+
|
311
327
|
return calcScore() > BLACK_JACK;
|
312
328
|
|
313
329
|
}
|
@@ -316,6 +332,8 @@
|
|
316
332
|
|
317
333
|
public int calcScore() {
|
318
334
|
|
335
|
+
// Player#calc_sumはここ
|
336
|
+
|
319
337
|
int aces_count = 0;
|
320
338
|
|
321
339
|
int sum = 0;
|
@@ -386,6 +404,8 @@
|
|
386
404
|
|
387
405
|
public String toString() {
|
388
406
|
|
407
|
+
// Player#Show_Listはここ
|
408
|
+
|
389
409
|
return name + "が持っているカード:" + myCardList.stream().map(String::valueOf).collect(Collectors.joining(" "));
|
390
410
|
|
391
411
|
}
|
@@ -490,6 +510,8 @@
|
|
490
510
|
|
491
511
|
public String toString() {
|
492
512
|
|
513
|
+
// Player#card_nameはここ
|
514
|
+
|
493
515
|
return this.suit + RANKS.get(this.rank - 1);
|
494
516
|
|
495
517
|
}
|
@@ -500,6 +522,8 @@
|
|
500
522
|
|
501
523
|
class CardDeck {
|
502
524
|
|
525
|
+
// Sum#mainの変数:card_list はここ
|
526
|
+
|
503
527
|
private final Deque<Card> cards;
|
504
528
|
|
505
529
|
|
@@ -552,4 +576,6 @@
|
|
552
576
|
|
553
577
|
|
554
578
|
|
579
|
+
|
580
|
+
|
555
581
|
```
|
1
追記
test
CHANGED
@@ -8,6 +8,10 @@
|
|
8
8
|
|
9
9
|
|
10
10
|
|
11
|
+
※)元の質問文の要件にはないですが、柄(Suit)対応も行いました。
|
12
|
+
|
13
|
+
|
14
|
+
|
11
15
|
```Java
|
12
16
|
|
13
17
|
import java.util.ArrayDeque;
|
@@ -18,13 +22,17 @@
|
|
18
22
|
|
19
23
|
import java.util.Collections;
|
20
24
|
|
25
|
+
import java.util.Deque;
|
26
|
+
|
21
27
|
import java.util.List;
|
22
28
|
|
29
|
+
import java.util.Objects;
|
30
|
+
|
23
31
|
import java.util.Random;
|
24
32
|
|
25
33
|
import java.util.Scanner;
|
26
34
|
|
27
|
-
import java.util.
|
35
|
+
import java.util.stream.Collectors;
|
28
36
|
|
29
37
|
import java.util.stream.IntStream;
|
30
38
|
|
@@ -54,7 +62,19 @@
|
|
54
62
|
|
55
63
|
public static int readInt() {
|
56
64
|
|
65
|
+
while (true) {
|
66
|
+
|
67
|
+
try {
|
68
|
+
|
57
|
-
return Integer.parseInt(sc.nextLine());
|
69
|
+
return Integer.parseInt(sc.nextLine());
|
70
|
+
|
71
|
+
} catch (NumberFormatException ex) {
|
72
|
+
|
73
|
+
System.err.println(ex);
|
74
|
+
|
75
|
+
}
|
76
|
+
|
77
|
+
}
|
58
78
|
|
59
79
|
}
|
60
80
|
|
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class GameMaster {
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private final Deck deck = new Deck();
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private static final CardDeck deck = new CardDeck();
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private final List<Player> players = Collections
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.unmodifiableList(Arrays.asList(new Player("あなた"), new Dealer("ディラー")));
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public void start() {
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//
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// 参加者に2枚ずつカードを配る。
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IntStream.range(0, 2).forEach((i) -> {
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for (Player p : players) {
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}
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});
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// ディラーのカードを表示
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System.out.println(players.get(1));
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while (true) {
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int skiped = players.stream().mapToInt(Player::trun).sum();
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// 参加者全員スキップなら
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if (skiped == 0) {
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break;
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//System.out.println(p);
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}
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}
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}
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public static Card deal() {
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return deck.deal();
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}
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public Judge Judge(Player player, Player dealer) {
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int compared = player.compareTo(dealer);
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if (compared == 0) {
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return Judge.Draw;
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}
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if (compared < 0) {
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return Judge.Lose;
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}
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return Judge.Win;
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}
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public void show_result() {
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System.out.println(String.join("", Collections.nCopies(30, "#")));
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System.out.println("最終結果");
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for (Player p : players) {
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System.out.print(p);
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System.out.println(" 合計:" + p.calcScore());
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}
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// プレイヤーとディラーの勝敗判定
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Judge judge = Judge(players.get(0), players.get(1));
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System.out.println(judge);
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}
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}
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class Player implements Comparable<Player> {
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private static final int BLACK_JACK = 21;
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// 手札
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private final List<Card> myCardList = new ArrayList<>();
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private final String name;
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protected boolean skiped = false;
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public Player(String name) {
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this.name = name;
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}
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public String getName() {
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return this.name;
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}
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public void deal() {
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// 山から一枚カードを引いて手札に加える。
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Card c = GameMaster.deal();
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myCardList.add(c);
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}
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public boolean isSkip() {
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return skiped || isBusting();
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}
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public int trun() {
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if (isSkip()) {
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return 0;
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}
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System.out.println(this.toString());
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System.out.println("カードを引きますか?");
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System.out.print("yes -> 1 no -> 0 を入力");
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int n = 0;
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do {
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n = InputUtils.readInt();
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if (n == 0) {
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skiped = true;
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return 0;
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}
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} while (n != 1);
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this.deal();
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return 1;
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}
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public boolean isBusting() {
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return calcScore() > BLACK_JACK;
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}
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public int calcScore() {
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int aces_count = 0;
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int sum = 0;
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for (Card c : this.myCardList) {
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int rank = c.calcScore();
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if (rank == 1) {
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aces_count++;
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continue;
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}
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sum += rank;
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}
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if (aces_count == 0) {
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return sum;
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}
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345
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// Aceカードのスコア計算
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346
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int aces_sum = 11 + (aces_count - 1);
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if (aces_sum + sum > BLACK_JACK) {
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aces_sum = aces_count;
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}
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return sum + aces_sum;
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}
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@Override
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362
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363
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public int compareTo(Player o) {
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365
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if (this.isBusting()) {
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367
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return -1;
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368
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369
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}
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370
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371
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// ディラー
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372
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373
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if (o.isBusting()) {
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375
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return 1;
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376
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377
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}
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378
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379
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return Integer.compare(this.calcScore(), o.calcScore());
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380
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381
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}
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382
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383
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384
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385
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@Override
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386
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387
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public String toString() {
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388
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389
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return name + "が持っているカード:" + myCardList.stream().map(String::valueOf).collect(Collectors.joining(" "));
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390
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391
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}
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392
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393
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}
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394
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395
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396
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397
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class Dealer extends Player {
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398
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|
399
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public Dealer(String name) {
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400
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401
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super(name);
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402
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|
403
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}
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404
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405
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406
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407
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@Override
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408
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|
409
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public int trun() {
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410
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411
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if (isSkip()) {
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412
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413
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return 0;
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414
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415
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}
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416
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417
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/// soft 17 rule
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418
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|
419
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int score = this.calcScore();
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420
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|
421
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if (score >= 17) {
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422
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+
|
423
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System.out.println(this.getName() + "はカードを引きません。");
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424
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+
|
425
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skiped = true;
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426
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+
|
427
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return 0;
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428
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+
|
429
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}
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430
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+
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431
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System.out.println(this.getName() + "はカードを引きます。");
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432
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433
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this.deal();
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434
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435
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return 1;
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436
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437
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}
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438
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439
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}
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440
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441
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|
442
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443
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class Card {
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444
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|
445
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// BLACK SPADE, BLACK CLUB, WHITE DIAMOND, WHITE HEART
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446
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|
447
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public static final List<String> SUITS = Collections
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448
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+
|
449
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.unmodifiableList(Arrays.asList("\u2660", "\u2663", "\u2662", "\u2661"));
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450
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|
451
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public static final List<String> RANKS = Collections
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452
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|
453
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.unmodifiableList(Arrays.asList("A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"));
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454
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|
455
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|
456
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|
457
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private final String suit;
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458
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|
459
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private final int rank;
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460
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|
461
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|
462
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+
|
463
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public Card(String suit, int rank) {
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464
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+
|
465
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Objects.requireNonNull(suit);
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466
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+
|
467
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if (rank > RANKS.size()) {
|
468
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+
|
469
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throw new IllegalArgumentException(Integer.toString(rank));
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470
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+
|
471
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+
}
|
472
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+
|
473
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+
this.suit = suit;
|
474
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+
|
475
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this.rank = rank;
|
476
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+
|
477
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+
}
|
478
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+
|
479
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+
|
480
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+
|
481
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public int calcScore() {
|
482
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+
|
483
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+
return Math.min(this.rank, 10);
|
484
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+
|
485
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+
}
|
486
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+
|
487
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+
|
488
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+
|
489
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+
@Override
|
490
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+
|
491
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+
public String toString() {
|
492
|
+
|
493
|
+
return this.suit + RANKS.get(this.rank - 1);
|
494
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+
|
495
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}
|
496
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+
|
497
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}
|
498
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+
|
499
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+
|
500
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+
|
501
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class CardDeck {
|
502
|
+
|
503
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+
private final Deque<Card> cards;
|
504
|
+
|
505
|
+
|
506
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+
|
507
|
+
public CardDeck() {
|
508
|
+
|
509
|
+
List<Card> card_list = new ArrayList<>(Card.RANKS.size() * Card.SUITS.size());
|
510
|
+
|
511
|
+
IntStream.rangeClosed(1, Card.RANKS.size()).forEach((i) -> {
|
512
|
+
|
513
|
+
for (String suit : Card.SUITS) {
|
514
|
+
|
515
|
+
card_list.add(new Card(suit, i));
|
516
|
+
|
517
|
+
}
|
518
|
+
|
519
|
+
});
|
520
|
+
|
521
|
+
Random rnd = new Random();
|
522
|
+
|
523
|
+
// Random#setSeedでshuffleの実行結果を固定化(テスト用)
|
524
|
+
|
525
|
+
// rnd.setSeed(42);
|
526
|
+
|
527
|
+
Collections.shuffle(card_list, rnd);
|
528
|
+
|
529
|
+
cards = new ArrayDeque<>(card_list);
|
224
530
|
|
225
531
|
}
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226
532
|
|
@@ -228,105 +534,7 @@
|
|
228
534
|
|
229
535
|
public Card deal() {
|
230
536
|
|
231
|
-
// 山から一枚カードを引いて手札に加える。
|
232
|
-
|
233
|
-
Card c = this.deck.deal();
|
234
|
-
|
235
|
-
myCardList.add(c);
|
236
|
-
|
237
|
-
return c;
|
238
|
-
|
239
|
-
}
|
240
|
-
|
241
|
-
|
242
|
-
|
243
|
-
public boolean isSkip() {
|
244
|
-
|
245
|
-
return s
|
537
|
+
return cards.removeFirst();
|
246
|
-
|
247
|
-
}
|
248
|
-
|
249
|
-
|
250
|
-
|
251
|
-
public int Turn() {
|
252
|
-
|
253
|
-
if (isSkip()) {
|
254
|
-
|
255
|
-
return 0;
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256
|
-
|
257
|
-
}
|
258
|
-
|
259
|
-
System.out.println(this.toString());
|
260
|
-
|
261
|
-
System.out.println("カードを引きますか?");
|
262
|
-
|
263
|
-
System.out.println("yes -> 1 no -> 0 を入力");
|
264
|
-
|
265
|
-
int n = InputUtils.readInt();
|
266
|
-
|
267
|
-
if (n == 0) {
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268
|
-
|
269
|
-
skiped = true;
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270
|
-
|
271
|
-
return 0;
|
272
|
-
|
273
|
-
}
|
274
|
-
|
275
|
-
this.deal();
|
276
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-
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277
|
-
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278
|
-
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279
|
-
return 1;
|
280
|
-
|
281
|
-
}
|
282
|
-
|
283
|
-
|
284
|
-
|
285
|
-
public boolean isBurst() {
|
286
|
-
|
287
|
-
return calcScore() > 21;
|
288
|
-
|
289
|
-
}
|
290
|
-
|
291
|
-
|
292
|
-
|
293
|
-
public int calcScore() {
|
294
|
-
|
295
|
-
int aces_count = 0;
|
296
|
-
|
297
|
-
int sum = 0;
|
298
|
-
|
299
|
-
for (Card c : this.myCardList) {
|
300
|
-
|
301
|
-
int rank = c.calcScore();
|
302
|
-
|
303
|
-
if (rank == 1) {
|
304
|
-
|
305
|
-
aces_count++;
|
306
|
-
|
307
|
-
continue;
|
308
|
-
|
309
|
-
}
|
310
|
-
|
311
|
-
sum += rank;
|
312
|
-
|
313
|
-
}
|
314
|
-
|
315
|
-
// カードのAのスコア計算
|
316
|
-
|
317
|
-
if (aces_count == 0) {
|
318
|
-
|
319
|
-
return sum;
|
320
|
-
|
321
|
-
}
|
322
|
-
|
323
|
-
int aces_sum = 11 + (aces_count - 1);
|
324
|
-
|
325
|
-
if (aces_sum + sum > 21)
|
326
|
-
|
327
|
-
aces_sum = aces_count;
|
328
|
-
|
329
|
-
return sum + aces_sum;
|
330
538
|
|
331
539
|
}
|
332
540
|
|
@@ -334,216 +542,8 @@
|
|
334
542
|
|
335
543
|
@Override
|
336
544
|
|
337
|
-
public int compareTo(Player o) {
|
338
|
-
|
339
|
-
if (this.isBurst()) {
|
340
|
-
|
341
|
-
return -1;
|
342
|
-
|
343
|
-
}
|
344
|
-
|
345
|
-
// ディラー
|
346
|
-
|
347
|
-
if (o.isBurst()) {
|
348
|
-
|
349
|
-
return 1;
|
350
|
-
|
351
|
-
}
|
352
|
-
|
353
|
-
return Integer.compare(this.calcScore(), o.calcScore());
|
354
|
-
|
355
|
-
}
|
356
|
-
|
357
|
-
|
358
|
-
|
359
|
-
@Override
|
360
|
-
|
361
545
|
public String toString() {
|
362
546
|
|
363
|
-
StringJoiner joiner = new StringJoiner(" ");
|
364
|
-
|
365
|
-
for (Card c : this.myCardList) {
|
366
|
-
|
367
|
-
joiner.add(c.toString());
|
368
|
-
|
369
|
-
}
|
370
|
-
|
371
|
-
return myName + "が持っているカード:" + joiner.toString();
|
372
|
-
|
373
|
-
}
|
374
|
-
|
375
|
-
}
|
376
|
-
|
377
|
-
|
378
|
-
|
379
|
-
class Dealer extends Player {
|
380
|
-
|
381
|
-
public Dealer(String name, Deck deck) {
|
382
|
-
|
383
|
-
super(name, deck);
|
384
|
-
|
385
|
-
}
|
386
|
-
|
387
|
-
|
388
|
-
|
389
|
-
@Override
|
390
|
-
|
391
|
-
public int Turn() {
|
392
|
-
|
393
|
-
/// soft 17 rule
|
394
|
-
|
395
|
-
int score = this.calcScore();
|
396
|
-
|
397
|
-
if (score >= 17) {
|
398
|
-
|
399
|
-
System.out.println(this.getName() + "はカードを引きません。");
|
400
|
-
|
401
|
-
return 0;
|
402
|
-
|
403
|
-
}
|
404
|
-
|
405
|
-
System.out.println(this.getName() + "はカードを引きます。");
|
406
|
-
|
407
|
-
this.deal();
|
408
|
-
|
409
|
-
return 1;
|
410
|
-
|
411
|
-
}
|
412
|
-
|
413
|
-
}
|
414
|
-
|
415
|
-
|
416
|
-
|
417
|
-
class Card {
|
418
|
-
|
419
|
-
private final String Mark;
|
420
|
-
|
421
|
-
private final int Rank;
|
422
|
-
|
423
|
-
|
424
|
-
|
425
|
-
public Card(String Mark, int Rank) {
|
426
|
-
|
427
|
-
this.Mark = Mark;
|
428
|
-
|
429
|
-
this.Rank = Rank;
|
430
|
-
|
431
|
-
}
|
432
|
-
|
433
|
-
|
434
|
-
|
435
|
-
public int calcScore() {
|
436
|
-
|
437
|
-
if (this.Rank > 10) {
|
438
|
-
|
439
|
-
return 10;
|
440
|
-
|
441
|
-
}
|
442
|
-
|
443
|
-
return this.Rank;
|
444
|
-
|
445
|
-
}
|
446
|
-
|
447
|
-
|
448
|
-
|
449
|
-
@Override
|
450
|
-
|
451
|
-
public String toString() {
|
452
|
-
|
453
|
-
final String r;
|
454
|
-
|
455
|
-
switch (this.Rank) {
|
456
|
-
|
457
|
-
case 1:
|
458
|
-
|
459
|
-
r = "A";
|
460
|
-
|
461
|
-
break;
|
462
|
-
|
463
|
-
case 11:
|
464
|
-
|
465
|
-
r = "J";
|
466
|
-
|
467
|
-
break;
|
468
|
-
|
469
|
-
case 12:
|
470
|
-
|
471
|
-
r = "Q";
|
472
|
-
|
473
|
-
break;
|
474
|
-
|
475
|
-
case 13:
|
476
|
-
|
477
|
-
r = "K";
|
478
|
-
|
479
|
-
break;
|
480
|
-
|
481
|
-
default:
|
482
|
-
|
483
|
-
r = Integer.toString(this.Rank);
|
484
|
-
|
485
|
-
break;
|
486
|
-
|
487
|
-
}
|
488
|
-
|
489
|
-
return this.Mark + r;
|
490
|
-
|
491
|
-
}
|
492
|
-
|
493
|
-
}
|
494
|
-
|
495
|
-
|
496
|
-
|
497
|
-
class Deck {
|
498
|
-
|
499
|
-
private final ArrayDeque<Card> cards;
|
500
|
-
|
501
|
-
|
502
|
-
|
503
|
-
public Deck() {
|
504
|
-
|
505
|
-
List<Card> card_list = new ArrayList<>();
|
506
|
-
|
507
|
-
IntStream.rangeClosed(1, 13).forEach((i) -> {
|
508
|
-
|
509
|
-
card_list.add(new Card("\u2660", i));
|
510
|
-
|
511
|
-
card_list.add(new Card("\u2663", i));
|
512
|
-
|
513
|
-
card_list.add(new Card("\u2662", i));
|
514
|
-
|
515
|
-
card_list.add(new Card("\u2661", i));
|
516
|
-
|
517
|
-
});
|
518
|
-
|
519
|
-
|
520
|
-
|
521
|
-
Random rnd = new Random();
|
522
|
-
|
523
|
-
// Random#setSeedでshuffleの結果を固定(テスト用)
|
524
|
-
|
525
|
-
// rnd.setSeed(42);
|
526
|
-
|
527
|
-
Collections.shuffle(card_list, rnd);
|
528
|
-
|
529
|
-
cards = new ArrayDeque<>(card_list);
|
530
|
-
|
531
|
-
}
|
532
|
-
|
533
|
-
|
534
|
-
|
535
|
-
public Card deal() {
|
536
|
-
|
537
|
-
return cards.removeFirst();
|
538
|
-
|
539
|
-
}
|
540
|
-
|
541
|
-
|
542
|
-
|
543
|
-
@Override
|
544
|
-
|
545
|
-
public String toString() {
|
546
|
-
|
547
547
|
return Arrays.toString(cards.toArray(new Card[0]));
|
548
548
|
|
549
549
|
}
|