java - TimeZone ID coming incorrectly daylight time -


can please explain this?

timezone tz1 = timezone.gettimezone(“cst”); ==> id of tz1 cst timezone tz2 = timezone.gettimezone(“cdt”); ==> id of tz2 gmt ????

for me following test code produces "not found => cdt":

for (string tz : timezone.getavailableids()) {     if (tz.equals("cdt")) {         system.out.println("found: " + tz);     } }  system.out.println("not found => cdt");

that means java.util.timezone fall non-existing cdt zone "gmt" documented:

returns: specified timezone, or gmt zone if given id cannot understood.

in java 8 have alternative of zoneid has not unintuitive fallback behaviour instead throwing zonerulesexception consider better.


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