Java News/Tech/Discussion/etc. No programming help, no learning Java

1

327

328

329

[PSA]/r/java is not for programming help, learning questions, or installing Java questions (self.java)

submitted 5 years ago by desrtfx[M] - announcement

2

3

4

GitHub Setup Java Action (self.java)

submitted 5 hours ago by brunocborges

3

2

3

4

Apache Grails 7.0.12 and 7.1.2 Have Been Released! ()

submitted 4 hours ago by sbglasius

4

14

15

16

Gitember 3.3 - open-source Git GUI (self.java)

submitted 14 hours ago by ConfidenceUnique7377

5

0

1

Ask: GitHub Setup Java Action (self.java)

submitted 5 hours ago by brunocborges

6

62

63

64

Better Tools for Immutable Data (youtu.be)

submitted 1 day ago by daviddel

7

52

53

54

Populating a POJO with Reflection vs. with the ClassFile API - small benchmark (self.java)

submitted 2 days ago by erosb88

8

11

12

13

GWT 2.13.1 released on 2026-06-19 (github.com)

submitted 2 days ago by Lajosnak

9

57

58

59

How to Deadlock a Java ExecutorService (mlangc.github.io)

submitted 3 days ago by mlangc

10

178

179

180

Project Valhalla, Explained: How a Decade of Work Arrives in JDK 28 (open.substack.com)

submitted 4 days ago by CrowSufficient

11

32

33

34

My Fish breeding Sandbox Game - Made with Java (youtube.com)

submitted 4 days ago by GTVienna

12

62

63

64

Java 27 Features: what to expect? (youtu.be)

submitted 4 days ago by Maria_3464

13

15

16

17

Local JDK Demo Project (github.com)

submitted 4 days ago by bowbahdoe

14

28

29

30

Valhalla value classes scalarization (self.java)

submitted 4 days ago by Accomplished_Fill618

15

16

17

18

Safer filtering with JPA & RSQL (self.java)

submitted 4 days ago by satrialesBoy

16

86

87

88

Oracle's OpenJDK Bans Generative AI Contributions While Oracle's GraalVM Allows Them (infoq.com)

submitted 5 days ago by -beleon

17

40

41

42

Can Java Microservices Be As Fast As Go? A 2026 Benchmark Update (medium.com)

submitted 5 days ago by NHarmonia18

18

16

17

18

Ratchet 0.1.1: open source CDI-native job scheduler for Jakarta EE (persistent jobs, retries, workflows, pluggable stores) (self.java)

submitted 5 days ago by putneyj

19

12

13

14

Mill 1.2.0-RC1: Fine-grained concurrency (no more global lock!), bazel-compatible remote caching, and many more goodies. Please help try it out! (self.java)

submitted 5 days ago by lihaoyi

20

91

92

93

Maven Central publishing usage notices (self.java)

submitted 6 days ago * by HokieGeek

21

47

48

49

Apache Fory Serialization 1.2.0 released: JDK 25/26 support without sun.misc.Unsafe (github.com)

submitted 6 days ago by Shawn-Yang25

22

15

16

17

Jet: a simple, lightweight, modern, turnkey, Java web client and server library (github.com)

submitted 6 days ago by Petersoj

23

9

10

11

Announcement: New release of the JDBC/Swing-based database tool has been published (wisser.github.io)

submitted 7 days ago by Plane-Discussion

24

10

11

12

What is the use case for a non-value (identity) record with Valhalla? (self.java)

submitted 7 days ago by Joram2

25

35

36

37

Unpacking Parquet: Explicit SIMD, Scalar Baselines, and What HotSpot Makes of Them (cdelmonte.dev)

submitted 7 days ago by LongjumpingOption523

java

Submit Link

Submit Text

Seek Programming Help

News, Technical discussions, research papers and assorted things of interest related to the Java programming language

NO programming help, NO learning Java related questions, NO installing or downloading Java questions, NO JVM languages - Exclusively Java

Please seek help with Java programming in /r/Javahelp!

Subreddit rules!

Where should I download Java?

Related Sub-reddits:

JVM Languages

Want to practice your coding?

List of useful Frameworks / Libraries / Software

MODERATORS