回答編集履歴
1
修正
answer
CHANGED
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@@ -4,12 +4,17 @@
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4
4
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if(list.isEmpty()) {
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5
5
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return false;
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6
6
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}
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7
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-
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8
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-
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7
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+
return allEqual(list, list.get(0));
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8
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+
}
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9
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+
public static <T> boolean allEqual(List<T> list, T requiredElem) {
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10
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+
if(list.isEmpty()) {
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11
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+
return false;
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12
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+
}
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9
13
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for(T elem: list) {
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10
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-
if(!elem.equals(
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14
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+
if(!elem.equals(requiredElem)) {
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15
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+
return false;
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16
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+
}
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11
17
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}
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12
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-
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13
18
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return true;
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14
19
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}
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15
20
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```
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