Question: What does the following method do? private static ArrayList someMethod ArrayList retnew ArrayList; ret.add( values.get (values.size() -) ret.add( values.get(0)) return ret; It returns an ArrayList

 What does the following method do? private static ArrayList someMethod ArrayList

What does the following method do? private static ArrayList someMethod ArrayList retnew ArrayList; ret.add( values.get (values.size() -) ret.add( values.get(0)) return ret; It returns an ArrayList that contains the next-to-last and first elements of the input ArrayList, but leaves the input ArrayList unchanged O It returns an ArrayList containing the last and first elements of the input ArrayList, and destroys the input ArrayList. It returns an ArrayList containing the last and first elements of the input ArrayList, but leaves the input ArrayList unchanged. It modifies the input ArrayList so that it contains only what had been the last and first elements of that ArrayList

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