質問編集履歴
1
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -1,143 +1 @@
|
|
|
1
|
-
|
|
2
|
-
|
|
3
|
-
|
|
4
|
-
|
|
5
|
-
```java
|
|
6
|
-
|
|
7
|
-
コード
|
|
8
|
-
|
|
9
|
-
public class LetterInventory {
|
|
10
|
-
|
|
11
|
-
public static final int ALPHABET = 26;
|
|
12
|
-
|
|
13
|
-
private String letters;
|
|
14
|
-
|
|
15
|
-
private int size;
|
|
16
|
-
|
|
17
|
-
private int[] elementData;
|
|
18
|
-
|
|
19
|
-
|
|
20
|
-
|
|
21
|
-
public LetterInventory(String data) {
|
|
22
|
-
|
|
23
|
-
this.letters = data.toLowerCase();
|
|
24
|
-
|
|
25
|
-
this.size = 0;
|
|
26
|
-
|
|
27
|
-
this.elementData = new int[ALPHABET];
|
|
28
|
-
|
|
29
|
-
for(int i = 0; i < letters.length(); i++) {
|
|
30
|
-
|
|
31
|
-
if(Character.isLetter(letters.charAt(i))) {
|
|
32
|
-
|
|
33
|
-
elementData[letters.charAt(i) - 'a']++;
|
|
34
|
-
|
|
35
|
-
size++;
|
|
36
|
-
|
|
37
|
-
}
|
|
38
|
-
|
|
39
|
-
}
|
|
40
|
-
|
|
41
|
-
}
|
|
42
|
-
|
|
43
|
-
|
|
44
|
-
|
|
45
|
-
public int size() {
|
|
46
|
-
|
|
47
|
-
return size;
|
|
48
|
-
|
|
49
|
-
}
|
|
50
|
-
|
|
51
|
-
|
|
52
|
-
|
|
53
|
-
public boolean isEmpty() {
|
|
54
|
-
|
|
55
|
-
return size == 0;
|
|
56
|
-
|
|
57
|
-
}
|
|
58
|
-
|
|
59
|
-
|
|
60
|
-
|
|
61
|
-
public int get(char letter) {
|
|
62
|
-
|
|
63
|
-
if(!(Character.isLetter(letter))) {
|
|
64
|
-
|
|
65
|
-
throw new IllegalArgumentException("letter:" + letter);
|
|
66
|
-
|
|
67
|
-
}else {
|
|
68
|
-
|
|
69
|
-
return elementData[Character.toLowerCase(letter) - 'a'];
|
|
70
|
-
|
|
71
|
-
}
|
|
72
|
-
|
|
73
|
-
}
|
|
74
|
-
|
|
75
|
-
|
|
76
|
-
|
|
77
|
-
public String toString() {
|
|
78
|
-
|
|
79
|
-
String representation = "[";
|
|
80
|
-
|
|
81
|
-
for(int i = 0; i < ALPHABET; i++) {
|
|
82
|
-
|
|
83
|
-
for(int j = 0; j < elementData[i]; j++) {
|
|
84
|
-
|
|
85
|
-
representation += (char)(i + 'a');
|
|
86
|
-
|
|
87
|
-
}
|
|
88
|
-
|
|
89
|
-
}
|
|
90
|
-
|
|
91
|
-
return representation += "]";
|
|
92
|
-
|
|
93
|
-
|
|
94
|
-
|
|
95
|
-
}
|
|
96
|
-
|
|
97
|
-
|
|
98
|
-
|
|
99
|
-
public void set(char letter, int value) {
|
|
100
|
-
|
|
101
|
-
if(!(Character.isLetter(letter)) || (value < 0)) {
|
|
102
|
-
|
|
103
|
-
throw new IllegalArgumentException("letter:" + letter + ", value:" + value);
|
|
104
|
-
|
|
105
|
-
}else {
|
|
106
|
-
|
|
107
|
-
size += value - elementData[Character.toLowerCase(letter) - 'a'];
|
|
108
|
-
|
|
109
|
-
elementData[Character.toLowerCase(letter) - 'a'] = value;
|
|
110
|
-
|
|
111
|
-
}
|
|
112
|
-
|
|
113
|
-
}
|
|
114
|
-
|
|
115
|
-
|
|
116
|
-
|
|
117
|
-
public LetterInventory add(LetterInventory other) {
|
|
118
|
-
|
|
119
|
-
LetterInventory add = new LetterInventory("");
|
|
120
|
-
|
|
121
|
-
for(int i = 0; i < letters.length(); i++) {
|
|
122
|
-
|
|
123
|
-
add.elementData[i] = this.elementData[i] + other.elementData[i];
|
|
124
|
-
|
|
125
|
-
add.size = this.size + other.size;
|
|
126
|
-
|
|
127
|
-
}
|
|
128
|
-
|
|
129
|
-
return add;
|
|
130
|
-
|
|
131
|
-
}
|
|
132
|
-
|
|
133
|
-
|
|
134
|
-
|
|
135
|
-
|
|
136
|
-
|
|
137
|
-
|
|
138
|
-
|
|
139
|
-
}
|
|
140
|
-
|
|
141
|
-
|
|
142
|
-
|
|
143
|
-
```
|
|
1
|
+
削除依頼があったため削除します。、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、
|