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@21b5df6b
[com.xpn.xwiki.api.Object@2b5efb17, com.xpn.xwiki.api.Object@68b6b93f, com.xpn.xwiki.api.Object@343c0cce, com.xpn.xwiki.api.Object@526cc32c]