The Java Version Almanac
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Calendar Systems

There are different calendar systems in the world. Let’s write the Java 17 release date in the systems known to Java.

Since Java 8

import java.time.LocalDate; import java.time.chrono.Chronology; public class CalendarSystems { public static void main(String[] args) { LocalDate java17release = LocalDate.of(2021, 9, 14); Chronology.getAvailableChronologies().stream() // .sorted() // .map(c -> // .forEach(System.out::println); } }

This snippet at GitHub