Collections.emptyMap() are just the parameters, as explained here: http://code.google.com/appengine/docs/java/memcache/usingjcache.html#Configuring_Expiration
The createCache() method creates a connection to memcached, which is a distributed globally available cache. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.