Even if you’ve read the JEPs—have you used #RecordPatterns to refactor old-school branching logic? @manojnp shows how to turn bloated instanceof trees into readable, idiomatic #Java code with just records.

👉 https://javapro.io/2025/01/15/record-patterns-building-on-java-records/

#Refactoring #PatternMatching #CleanCode

Record Patterns — Building on JAVA Records - JAVAPRO International

Though Records are just constant classes, the actual power of records comes with record patterns and this is about the usage of records.

JAVAPRO International

Ever wondered how deep #RecordPatterns go? @manojnp walks through nested matching, destructuring, & how #Java internally "unwinds" record components in switch & instanceof.

If you're designing #APIs or #DSLs in Java, this one’s for you. https://javapro.io/2025/01/15/record-patterns-building-on-java-records/

#PatternMatching

Record Patterns — Building on JAVA Records - JAVAPRO International

Though Records are just constant classes, the actual power of records comes with record patterns and this is about the usage of records.

JAVAPRO International

Oracle's #Java21 release is here!

The final feature set includes 15 #JEPs.

#VirtualThreads, #RecordPatterns & #PatternMatching for Switch - have completed their respective rounds of previews and are now finalized.

More insights on #InfoQ: https://bit.ly/3EM5urY

#Java

Java 21, the Next LTS Release, Delivers Virtual Threads, Record Patterns and Pattern Matching

Oracle has released version 21 of the Java programming language and virtual machine. As the first release offering long-term support since JDK 17 in 2021, the final feature set includes 15 JEPs. Three of these - Virtual Threads, Record Patterns and Pattern Matching for switch - have completed their respective rounds of previews and are now finalized.

InfoQ
Big news in the #Java world today! The finalisations of #PatternMatching in switch (https://openjdk.org/jeps/441) and #RecordPatterns (https://openjdk.org/jeps/440) are now proposed to target #JDK21. 🥳 (heard it via @nipafx on the bird site)
JEP 441: Pattern Matching for switch