How to add JDK 21 support in Eclipse or STS Core Java eclipse IDE java Java 21 by devs5003 - January 15, 2025January 20, 20250 Eclipse not recognizing Java-21, How to add JDK 21 support in Eclipse 2023-09?, How to add JDK 21 support in Eclipse or STS, jdk21 IDE , jdk21 eclipse, eclipse jdk21, eclipse java 21, java 21 eclipse, eclipse java 21 support, eclipse for java 21, JDK 21 support in Eclipse 2023-09 - java, add java 21 to eclipse, how to add java 21 to eclipse, eclipse openjdk 21, eclipse java 21 plugin, eclipse support java 21, jdk 21 eclipse, eclipse compiler compliance level 21 not available, sts java 21, add jdk 21 to eclipse, how to add jdk 21 in eclipse Oracle has released JDK 21 in September, 2023 as an LTS version after the release of JDK 20 in March, 2023.