9.16. Common MistakesΒΆ

  • 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
Next Section - 9.17. More Practice