Fix the impossible downcast of toArray(). #125
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This code is casting the result of this.items.toArray() on a list to the String type.
This will usually fail by throwing a ClassCastException. The toArray() of almost all collections return an Object[]. They can't really do anything else, since the Collection object has no reference to the declared generic type of the collection.
The correct and efficient way to get a string array from a list is to use list.toArray(new String[list.size()]);.
http://findbugs.sourceforge.net/bugDescriptions.html#BC_IMPOSSIBLE_DOWNCAST_OF_TOARRAY