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#streams

I really enjoy using Java's Stream API - even more than that, I like to play around with it, trying out as many things as I can come up with.

Streams

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Stream API - even more than that, I like to play around with it, trying out as many things as I can come up with. https://nipafx.dev/streams">

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Stream API - even more than that, I like to play around with it, trying out as many things as I can come up with. https://nipafx.dev/streams">

I'm active on various platforms. Watch this space or follow me there to get notified when I publish new content:

Image with slug java-25-apis
All API Additions From Java 21 to 25#video#java‑25 #core‑lib #streams #documentation
Learn about all API additions between Java 21 and Java 25: scoped values, stream gatherers, class-file API, foreign function and memory API, Javadoc additions, and preview features.
Image with slug implementing-gatherers
Implementing New Java Stream Operations#video#streams
Implementing a bunch of Gatherers to better understand the proposed addition to the stream API
Image with slug inside-java-newscast-57
Better Java Streams with Gatherers - Inside Java Newscast #57#video#streams
Stream::gather is a new intermediate meta-operation that allows the JDK and us to implement all kinds of intermediate operations as Gatherers without overloading the Stream interface
Image with slug talk-just
Why Don't They Just... ?! The Deliberations Behind Evolving Java#talk#streams #optional #records #collections
There are many nifty features that Java could have but doesn't. Somewhat surprisingly, there are reasons for that and in this talk I'll discuss those for a few concrete cases as well as the deliberations behind such decisions.
Image with slug java-16-stream-mapmulti-group
Broken Stream::group with Java 16's mapMulti#post#java‑16 #streams
Java 16 adds a new method mapMulti to Stream and it can be abused to simulate a reverse-flatMap aka group operation (with shortcomings).
Image with slug java-16-stream-mapmulti
Faster flatMaps with Stream::mapMulti in Java 16#post#java‑16 #streams #performance
Java 16 adds a new method mapMulti to Stream. It fills the same role as flatMap, but is more imperative - and faster.
Image with slug java-12-teeing-collector
Teeing Collector in Java 12#post#java‑12 #streams
The teeing collector, available since Java 12 as Collectors::teeing, forwards its input to two other collectors before merging their results with a function.
Image with slug java-9-tutorial
Code-First Java 9 Tutorial#post#java‑9 #migration #streams #optional #collections #j_ms
Showing code for the most important Java 9 features: private interface methods, stream and optional APIs, collection factories, reactive streams, stack walking, multi-release JARs, redirected platform logging, unified logging, the module system, and more. If you're new to Java 9, start here.
Image with slug java-repackaging-exceptions-streams
Repackaging Exceptions In Streams#post#clean‑code #java‑8 #lambda #streams
How to repackage checked exceptions that get thrown in a Java stream pipeline so that they can be thrown without the compiler complaining about it.
Image with slug talk-expert-java-8
Expert Java 8#talk#java‑8 #lambda #streams #optional #default‑methods
With this talk, I help you get the most out of lambdas, Streams, Optionals, and default methods, helping you master Java 8's core features
Image with slug rebutting-5-common-java-stream-tropes
Rebutting 5 Common Stream Tropes#post#java‑8 #rant #streams
Articles about Java 8's streams often repeat a bunch of tropes: succinctness, ugly mechanics, anemic pipelines, weak exception handling. This is a rebuttal!
Image with slug java-9-stream-iterate
Oh No, I Forgot Stream::iterate!#post#java‑9 #streams
In Java 9 Stream gets a couple of new methods - one of them is an overload of iterate that takes a predicate and returns a finite stream.
Image with slug java-9-stream
Java 9 Additions To Stream#post#java‑9 #streams
Java 9 is coming! One of the many changes are new Stream methods: takeWhile, dropWhile, and ofNullable. For more fun with streams!
Image with slug java-stream-findfirst-findany-reduce
Beware Of findFirst() And findAny()#post#java‑8 #streams
Stream.findFirst() and findAny() work with any number of elements in the stream. Make sure to reduce(toOnlyElement()) if there should be at most one.
Image with slug java-stream-performance-your-ideas
Stream Performance - Your Ideas#post#java‑8 #performance #streams
Another post about stream performance - this one implements your ideas about how else to approach the topic.
Image with slug java-stream-performance
Stream Performance#post#java‑8 #performance #streams
A close look at stream performance. How do they compare to for and for-each loops oder arrays and lists. And what role plays boxing?
Image with slug casting-in-java-8-and-beyond
Casting In Java 8 (And Beyond?)#post#java‑8 #optional #streams
Proposal to implement new casting methods on Java's Class. They aim to fulfill the need for improved ways to cast which was created by Java 8.