Enthuware

Posted: **Thu Mar 21, 2013 11:26 am**

what the option we can use here other than TreeSet

Posted: **Thu Mar 21, 2013 12:00 pm**

You can't use anything other than TreeSet on the right, but on the left, you can use Set instead of Collection.

About Question com.enthuware.ets.scjp.v6.2.99 :