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9.16. Common Mistakes

• forgetting that set replaces the item at the index

• forgetting that remove at an index moves all items that were to the right of that index left one index

• forgetting that add at an index moves everything that was at the index and greater to the right one index

• incrementing an index when looping through a list even though you removed an item from the list

• using nameList[0] instead of nameList.get(0).

• using nameList.length instead of nameList.size() to get the number of elements in a list

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