If the current size of an array list is less than the length of the buffer, adding an element at the end of an array list takes ____ time. A) O(n) B) O(1) C) O(log(n)) D) O(n²)

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Quizplus · Accepted Answer

Adding an element at the end of an array list takes O(1) time if the current size of the array list is less than the length of the buffer. This is because the array list can simply add the element to the end of the buffer without having to reallocate the buffer.

If the Current Size of an Array List Is Less