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orion.a.smith@gmail.com apcsa-lists > apcsaListLongestPrefix
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Given an ArrayList of Strings, determine and return the longest String that is at the start of all Strings in the ArrayList.


apcsaListLongestPrefix(["flower", "flow", "flight"]) → "fl"
apcsaListLongestPrefix(["dog", "racecar", "car"]) → ""
apcsaListLongestPrefix(["interspecies", "interstellar", "interstate"]) → "inters"

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public String apcsaListLongestPrefix(ArrayList<String> lst) { }

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