Groovy
Fetch an element of a list by index
http://langref.org/all-languages/lists/access/fetch-by-index
Three
com.xpn.xwiki.api.Object@613d7efb
[com.xpn.xwiki.api.Object@4d958df, com.xpn.xwiki.api.Object@59599af5, com.xpn.xwiki.api.Object@9cc78a7, com.xpn.xwiki.api.Object@4f0520f7]