nilog:

“This release is the Reference Implementation of version 21 of the Java SE Platform, as specified by JSR 396 in the Java Community Process.
JDK 21 reached General Availability on 19 September 2023.”

JDK 21 https://openjdk.org/projects/jdk/21/

"This page provides production-ready open-source builds of the Java Development Kit, version 21, an implementation of the Java SE 21 Platform under the GNU General Public License, version 2, with the Classpath Exception."

OpenJDK JDK 21 GA Release https://jdk.java.net/21/

“This release is the Reference Implementation of version 21 of the Java SE Platform, as specified by JSR 396 in the Java Community Process.
JDK 21 reached General Availability on 19 September 2023.”

JDK 21 https://openjdk.org/projects/jdk/21/

ねむーい(σω-)