Must‑Read Java 21 & Spring Boot 3.2 Resources for the Lunar New Year
Celebrating the Lunar New Year, this roundup shares essential Java 21 updates, Spring Boot 3.2 enhancements, domestic open‑source innovations, and other hand‑picked tools and articles, providing developers with quick links to explore new APIs, performance improvements, and cutting‑edge Java ecosystem resources.
Street‑side shops are closing for the New Year; as seasoned workers we still work through New Year's Eve. Wishing everyone a prosperous Year of the Dragon!
Java21
Java21 LTS version released, detailed API changes summary – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489192&idx=1&sn=b2bbb4aa44a12573b582487695873203&scene=21#wechat_redirect
Translation: JDK 21 – GC gets better! – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489509&idx=1&sn=c8ed24734fa8a52aea89884944cd6c9d&scene=21#wechat_redirect
Performance test shows Java21 virtual threads are truly strong! – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489276&idx=1&sn=7d8837ea79a1db969090739ed3f2637a&scene=21#wechat_redirect
Good news for the waiting crowd, Java21 is here – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489208&idx=1&sn=69ff4a9891b53d83e71e4f8585dee105&scene=21#wechat_redirect
10 examples to master Java 11 HttpClient – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257488447&idx=1&sn=9db792ee9d383630124fc309b80508ba&scene=21#wechat_redirect
Using Java 11 HttpClient to send/receive WebSocket messages – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257488456&idx=1&sn=0c80bd0525b5206978dd5ed25e988dea&scene=21#wechat_redirect
Spring boot 3.2
SpringBoot 3.2 new features, startup speed increased tenfold – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489385&idx=1&sn=e6da798ec6d5106f0c8f74a16af2f872&scene=21#wechat_redirect
Eliminate RestTemplate, Spring builds its own wheel – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489093&idx=1&sn=b6957089dd40ad253f7656aa2206dac1&scene=21#wechat_redirect
Eliminate JdbcTemplate, Spring builds its own wheel – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489110&idx=1&sn=5fe9156efe1ac0ab8d2868678ea32358&scene=21#wechat_redirect
SpringBoot 2 series discontinued, where do Java8 users go? – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489368&idx=1&sn=9cf43c4493dc9fa78c764b5e33af6ed1&scene=21#wechat_redirect
Domestic Innovation (国产信创)
PIGX + JDK17 + SpringBoot 3 ecosystem version released – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489195&idx=1&sn=25f3eccab34c11e49ca2c4a32e027423&scene=21#wechat_redirect
Smart‑servlet domestic open‑source “tomcat” – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257488924&idx=1&sn=09f3f04cabaa4d36217d724740674a8e&scene=21#wechat_redirect
Domestic open‑source database based on Java, ten times faster than MySQL – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489193&idx=1&sn=77095f23c10e3b0c68f4ff8a802902fd&scene=21#wechat_redirect
Ndd (Notepad--) is really great! – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489459&idx=1&sn=02dcff3ac5dff3410cb26ac7564265d7&scene=21#wechat_redirect
Cold senior developer's series of Nacos plugins for domestic innovation:
https://github.com/pig-mesh/nacos-datasource-plugin-pg
https://github.com/pig-mesh/nacos-datasource-plugin-dm8
https://github.com/pig-mesh/nacos-datasource-plugin-kingbase
https://github.com/pig-mesh/nacos-datasource-plugin-shentong
https://github.com/pig-mesh/nacos-datasource-plugin-highgo
Other Recommendations
Wow, the “C drive killer” is actually the JetBrains full suite – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489329&idx=1&sn=4682b1c2113d518cd70096b6472913d3&scene=21#wechat_redirect
IDEA Profiler quickly diagnoses CPU and memory issues – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257488799&idx=1&sn=12a482cd31719745f9207a7d2ed70575&scene=21#wechat_redirect
Little‑known Jackson Pointer syntax, super useful! – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489406&idx=1&sn=056bb619b86c092c8ee8dc8febaaeff7&scene=21#wechat_redirect
JsonFlow: innovative Chinese‑style workflow engine, unlocking new productivity – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257488900&idx=1&sn=f5da29e59d598402bd9714f0d47e8771&scene=21#wechat_redirect
mica-auto lets your starter seamlessly support Spring boot 3.x configuration – https://mp.weixin.qq.com/s?__biz=MjM5MzEwODY4Mw==∣=2257489421&idx=1&sn=7da1a62d2eaa8fbb849023884a2137f6&scene=21#wechat_redirect
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