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トップに関する質問javaで書いたレジシステムを模したプログラムの履歴表示の仕方

編集履歴

質問編集履歴

2

追記しました。

2021/03/03 07:44

投稿

chiaki0927
chiaki0927

スコア1

test CHANGED
File without changes
test CHANGED
@@ -237,3 +237,11 @@
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  上のコードの下に履歴を表示させたいのですが、最新の5つの履歴の表示の仕方が、さっぱりわからず困っています。おそらく配列？を使って入力した値を集めるのかと思ったのですが、うまくいきませんでした。
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  非常に初歩的な質問で恐縮なのですが、回答いただけると助かります。
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+
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+
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+
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+ 追記
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+
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+ すいません、、。設計の見直しというのも、どう直していいかわからないのですが課題に添付されていた設計？の流れの画像があったので貼ります。
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+
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+ ![イメージ説明](4a221d68feb64a247184ff6a71c5d673.png)

1

修正点の編集

2021/03/03 07:44

投稿

chiaki0927
chiaki0927

スコア1

test CHANGED
File without changes
test CHANGED
@@ -4,215 +4,213 @@
4
4
 
5
5
 
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6
 
7
+ ```import java.util.Scanner;
8
+
9
+ public class CasherSystem{
10
+
11
+ public static void main(String[] args){
12
+
13
+ Scanner input=new Scanner(System.in);
14
+
15
+
16
+
17
+ System.out.println("=================================");
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+
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+ System.out.println("| WELCOME TO CIMP CASHER SYSTEM |");
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+
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+ System.out.print("=================================");
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+
23
+ System.out.println();
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+
25
+ System.out.println("---------------------------------");
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+
27
+ System.out.println("| MAIN MENU |");
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+
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+ System.out.println("---------------------------------");
30
+
31
+
32
+
33
+ System.out.println("Options");
34
+
35
+ System.out.println("1 - Checkout");
36
+
37
+ System.out.println("2 - Transaction History");
38
+
39
+ System.out.println("3 - Exit ");
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+
41
+ System.out.println("Please select:");
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+
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+
44
+
45
+ int option = input.nextInt();
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+
47
+ if(option == 1){
48
+
49
+ System.out.println("=================================");
50
+
51
+ System.out.println("| WELCOME TO CIMP CASHER SYSTEM |");
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+
53
+ System.out.print("=================================");
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+
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+ System.out.println();
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+
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+ System.out.println("---------------------------------");
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+
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+ System.out.println("| MAIN MENU |");
60
+
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+ System.out.println("---------------------------------");
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+
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+
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+
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+ System.out.println("Options");
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+
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+ System.out.println("1 - Checkout");
68
+
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+ System.out.println("2 - Transaction History");
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+
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+ System.out.println("3 - Exit ");
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+
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+ System.out.println("Please select:1");
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+
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+
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+
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+ System.out.println("---------------------------------");
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+
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+ System.out.println("| PAYMENT SECTION |");
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+
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+ System.out.println("---------------------------------");
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+
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+ System.out.println("Enter customer's bill");
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+
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+
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+
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+ double bill = input.nextDouble();
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+
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+ double tax = bill*0.12;
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+
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+ double total = bill+tax;
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+
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+
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+
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+ double[] history = bill,tax,total;
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+
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+ System.out.println("Enter custpmer's bill:"+bill);
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+
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+ System.out.printf("Price: $ %10.2f\n",bill);
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+
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+ System.out.printf("Tax : $ %10.2f\n",tax);
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+
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+ System.out.println("-------------------");
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+
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+ System.out.printf("Total: $ %10.2f\n",total);
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+
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+
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+
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+ System.out.println("Enter customer's payment:");
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+
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+ double pay = input.nextDouble();
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+
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+ double change = pay - total;
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+
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+ while(change<0){
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+
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+ System.out.printf("custermar's change:$%10.2f\n",change);
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+
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+ System.out.println("Warning:The customer's payment is not enough. Enter customer's payment again.");
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+
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+ pay = input.nextDouble();
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+
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+ change = pay - total;
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+
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+ }
126
+
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+ if(change>=0){
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+
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+ System.out.printf("custermar's change:$%10.2f\n",change);
130
+
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+
132
+
133
+ }
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+
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+ System.out.println("=================================");
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+
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+ System.out.println("| WELCOME TO CIMP CASHER SYSTEM |");
138
+
139
+ System.out.print("=================================");
140
+
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+ System.out.println();
142
+
143
+ System.out.println("---------------------------------");
144
+
145
+ System.out.println("| MAIN MENU |");
146
+
147
+ System.out.println("---------------------------------");
148
+
149
+
150
+
151
+ System.out.println("Options");
152
+
153
+ System.out.println("1 - Checkout");
154
+
155
+ System.out.println("2 - Transaction History");
156
+
157
+ System.out.println("3 - Exit ");
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+
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+ System.out.println("Please select:");
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+
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+ option = input.nextInt();
162
+
163
+ }
164
+
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+
166
+
7
- ``````
167
+ if(option==2){
168
+
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+ System.out.println("=================================");
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+
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+ System.out.println("| WELCOME TO CIMP CASHER SYSTEM |");
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+
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+ System.out.print("=================================");
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+
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+ System.out.println();
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+
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+ System.out.println("---------------------------------");
178
+
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+ System.out.println("| MAIN MENU |");
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+
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+ System.out.println("---------------------------------");
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+
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+
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+
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+ System.out.println("Options");
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+
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+ System.out.println("1 - Checkout");
188
+
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+ System.out.println("2 - Transaction History");
190
+
191
+ System.out.println("3 - Exit ");
192
+
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+ System.out.println("Please select:2");
194
+
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+ System.out.println("---------------------------------");
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+
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+ System.out.println("| TRANSACTION HISTORY |");
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+
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+ System.out.println("---------------------------------");
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+
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+ System.out.println();
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+
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+ System.out.println(" History Sales Tax Total");
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+
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+ System.out.println("------------------------------------------------------");
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+
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+
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  コード
10
210
 
11
-
12
-
13
- import java.util.Scanner;
14
-
15
- public class CasherSystem{
16
-
17
- public static void main(String[] args){
18
-
19
- Scanner input=new Scanner(System.in);
20
-
21
-
22
-
23
- System.out.println("=================================");
24
-
25
- System.out.println("| WELCOME TO CIMP CASHER SYSTEM |");
26
-
27
- System.out.print("=================================");
28
-
29
- System.out.println();
30
-
31
- System.out.println("---------------------------------");
32
-
33
- System.out.println("| MAIN MENU |");
34
-
35
- System.out.println("---------------------------------");
36
-
37
-
38
-
39
- System.out.println("Options");
40
-
41
- System.out.println("1 - Checkout");
42
-
43
- System.out.println("2 - Transaction History");
44
-
45
- System.out.println("3 - Exit ");
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-
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- System.out.println("Please select:");
48
-
49
-
50
-
51
- int option = input.nextInt();
52
-
53
- if(option == 1){
54
-
55
- System.out.println("=================================");
56
-
57
- System.out.println("| WELCOME TO CIMP CASHER SYSTEM |");
58
-
59
- System.out.print("=================================");
60
-
61
- System.out.println();
62
-
63
- System.out.println("---------------------------------");
64
-
65
- System.out.println("| MAIN MENU |");
66
-
67
- System.out.println("---------------------------------");
68
-
69
-
70
-
71
- System.out.println("Options");
72
-
73
- System.out.println("1 - Checkout");
74
-
75
- System.out.println("2 - Transaction History");
76
-
77
- System.out.println("3 - Exit ");
78
-
79
- System.out.println("Please select:1");
80
-
81
-
82
-
83
- System.out.println("---------------------------------");
84
-
85
- System.out.println("| PAYMENT SECTION |");
86
-
87
- System.out.println("---------------------------------");
88
-
89
- System.out.println("Enter customer's bill");
90
-
91
-
92
-
93
- double bill = input.nextDouble();
94
-
95
- double tax = bill*0.12;
96
-
97
- double total = bill+tax;
98
-
99
-
100
-
101
- double[] history = bill,tax,total;
102
-
103
- System.out.println("Enter custpmer's bill:"+bill);
104
-
105
- System.out.printf("Price: $ %10.2f\n",bill);
106
-
107
- System.out.printf("Tax : $ %10.2f\n",tax);
108
-
109
- System.out.println("-------------------");
110
-
111
- System.out.printf("Total: $ %10.2f\n",total);
112
-
113
-
114
-
115
- System.out.println("Enter customer's payment:");
116
-
117
- double pay = input.nextDouble();
118
-
119
- double change = pay - total;
120
-
121
- while(change<0){
122
-
123
- System.out.printf("custermar's change:$%10.2f\n",change);
124
-
125
- System.out.println("Warning:The customer's payment is not enough. Enter customer's payment again.");
126
-
127
- pay = input.nextDouble();
128
-
129
- change = pay - total;
130
-
131
- }
211
+ ```
132
-
133
- if(change>=0){
212
+
134
-
135
- System.out.printf("custermar's change:$%10.2f\n",change);
213
+
136
-
137
-
138
-
139
- }
140
-
141
- System.out.println("=================================");
142
-
143
- System.out.println("| WELCOME TO CIMP CASHER SYSTEM |");
144
-
145
- System.out.print("=================================");
146
-
147
- System.out.println();
148
-
149
- System.out.println("---------------------------------");
150
-
151
- System.out.println("| MAIN MENU |");
152
-
153
- System.out.println("---------------------------------");
154
-
155
-
156
-
157
- System.out.println("Options");
158
-
159
- System.out.println("1 - Checkout");
160
-
161
- System.out.println("2 - Transaction History");
162
-
163
- System.out.println("3 - Exit ");
164
-
165
- System.out.println("Please select:");
166
-
167
- option = input.nextInt();
168
-
169
- }
170
-
171
-
172
-
173
- if(option==2){
174
-
175
- System.out.println("=================================");
176
-
177
- System.out.println("| WELCOME TO CIMP CASHER SYSTEM |");
178
-
179
- System.out.print("=================================");
180
-
181
- System.out.println();
182
-
183
- System.out.println("---------------------------------");
184
-
185
- System.out.println("| MAIN MENU |");
186
-
187
- System.out.println("---------------------------------");
188
-
189
-
190
-
191
- System.out.println("Options");
192
-
193
- System.out.println("1 - Checkout");
194
-
195
- System.out.println("2 - Transaction History");
196
-
197
- System.out.println("3 - Exit ");
198
-
199
- System.out.println("Please select:2");
200
-
201
- System.out.println("---------------------------------");
202
-
203
- System.out.println("| TRANSACTION HISTORY |");
204
-
205
- System.out.println("---------------------------------");
206
-
207
- System.out.println();
208
-
209
- System.out.println(" History Sales Tax Total");
210
-
211
- System.out.println("------------------------------------------------------");
212
-
213
-
214
-
215
-
216
214
 
217
215
 
218
216