Filter the Java No. 2 Optional list that was useful in business and get the first value

Continuing from the last time, null relationship Java No.2 useful for business

How to filter a list of strings to retrieve the first one

Optional<String> firstStr =
				.filter(p -> p=="fuga")

When the return value from the external API contains 1 or 0 results, etc. It can be used unexpectedly.

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