Is it possible to implement a observer pattern (i.e., get notification from server) using only Java Servlet?
Maybe a more generic question would be, is it possible to implement observer using HTTP protocol?
Asked
Active
Viewed 456 times
1
-
1Are you looking for some kind of [PUSH](http://stackoverflow.com/questions/9898066/java-push-from-server-to-clients)? – Elliott Frisch Jul 29 '15 at 04:06
-
you have more options nowadays like web sockets... – Nomesh DeSilva Jul 29 '15 at 04:25
-
@NomeshDeSilva While using Servlet how can use web sockets ? – Arun Kumar Jan 07 '20 at 05:50
-
@Wudong Have you got solution for this question? Please Tell... – Arun Kumar Jan 07 '20 at 05:51