Reading or writing an array list element at an arbitrary index takes ____ time. A)O(log (n)) B)O(n) C)O(n²) D)O(1)

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Quizplus · Accepted Answer

Reading or writing an array list element at an arbitrary index takes constant time, which is O(1). This is because arrays have constant-time random access, which means that we can directly access any element in the array by its index with a single operation. Therefore, the run time is not dependent on the size of the array.

Reading or Writing an Array List Element at an Arbitrary