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2 articles
Sequenced Collections in Java
A small but overdue fix to the Java collections API: a common SequencedCollection interface that finally gives every ordered collection — List, LinkedHashSet, LinkedHashMap — first/last element access and a reversed view, without the inconsistent workarounds we've all written over the years. Not a headline feature, but exactly the kind of quality-of-life change that quietly removes a class of bugs and boilerplate from day-to-day Java code. Worth five minutes if you touch Java collections regularly and haven't caught up on 21.
OpenJDK Project Loom
A solid, practical walkthrough of virtual threads — the biggest change to how Java handles concurrency since threads themselves, letting the JVM multiplex huge numbers of blocking I/O-bound tasks onto a handful of OS threads instead of paying the memory and context-switch tax for each one. If you're still writing reactive pipelines purely to dodge thread exhaustion, this is the article that explains why that tradeoff is largely gone as of modern Java LTS releases. Baeldung's usual strength: code you can actually run, not just theory.