You should avoid using forEach on Java as much as possible, I think

taichiw https://blog.hatena.ne.jp/taichiw/ I write Engineering Topic weekly...? https://taichiw-e.hatenablog.com/ Collection shouldn't be updated in lambda explanation Sometimes I see these kind of code. List<X> list = new ArrayList<>(); /*AnyCollection*/.forEach() .map(t -> list.add(t.getXXXX()));I think it's bad code. It's not thread safe If you use parallel stream on above code... List<X> list = new ArrayLis… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftaichiw-e.hatenablog.com%2Fentry%2F2019%2F02%2F15%2F172907" title="You should avoid using forEach on Java as much as possible, I think - I write Engineering Topic weekly...?" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2019-02-15 17:29:07 You should avoid using forEach on Java as much as possible, I think rich https://taichiw-e.hatenablog.com/entry/2019/02/15/172907 1.0 100%