In order to maintain and process the list in an array, we need the array holding the list elements, a variable to store the length of the list, and a variable to store the size of the array.

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To manage a list in an array effectively, you need the array itself to store the elements, a variable to keep track of the current number of elements (length of the list), and another variable to know the total capacity of the array (size of the array) to handle resizing and avoid overflow.

In Order to Maintain and Process the List in an Array