回答編集履歴
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追記
test
CHANGED
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@@ -15,3 +15,25 @@
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}
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```
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##### List<String>じゃない時
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```Java
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List<Data> list = Arrays.asList(new Data("a"), new Data("b"), new Data("c"));
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String s = "a";
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if (list.stream().anyMatch(data -> s.equals(data.getName()))) {
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System.out.println("あった");
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} else {
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System.out.println("なかった");
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}
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```
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