回答編集履歴
1
ちょい修正
answer
CHANGED
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@@ -9,11 +9,7 @@
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9
9
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private void cntMp(Map<String, Integer> mp, String word) {
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10
10
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String lWord = word.toLowerCase();
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11
11
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Integer i = mp.get(lWord);
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12
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-
if (i == null) {
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13
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-
mp.put(lWord, 1);
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14
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-
} else {
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15
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-
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12
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+
mp.put(lWord, i == null ? 1 : i + 1);
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16
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-
}
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17
13
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}
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18
14
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```
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19
15
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