[Groovy] HashSet and Hashtable

Hash:

HashSet set = new HashSet () Set.add ("India") Set.add ("USA") Set.add ("China") log.info "set size is:" + set.size () set.add ("C Hina ") Log.info" Set size is: "+ set.size () Iterator iter = Set.iterator (); Log.info" If have Next: "+iter.hasnext () log.in Fo Iter.next () while (Iter.hasnext ()) {Log.info iter.next ()}

Result:

Tue June 15:02:49 CST 2015:info:set size Is:3
Tue June 15:02:49 CST 2015:info:set size Is:3
Tue June 15:02:49 CST 2015:info:if has next:true
Tue June 15:02:49 CST 2015:info:usa
Tue June 15:02:49 CST 2015:info:china
Tue June 15:02:49 CST 2015:info:india

Hashtable:

Result:

Tue June 15:06:55 CST 2015:info:size of table is 4
Tue June 15:06:55 CST 2015:info:name is Henry
Tue June 15:06:55 CST 2015:info:country is Russia

[Groovy] HashSet and Hashtable