Java 16: Stream.toList() shortcut

toList() is a concise, unmodifiable alternative to collect(Collectors.toList()).

Code

List<Integer> tripled = Stream.of(1, 2, 3)
        .map(n -> n * 3)
        .toList();
System.out.println(tripled);

Output

[3, 6, 9]

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Published 2026-07-26