Printed output is used in _____, which are output documents that are later entered back into the same or another information system.

In order for the sort() method to be able to compare the items in a data structure, those items must implement the ____ interface.

A. List B. Cloneable C. Comparable D. Serializable

In the text, we say that after the merge sort splits the array into two subarrays, it then sorts these two subarrays and merges them. Why might someone be puzzled by our statement that “it then sorts these two subarrays”?

What will be an ideal response?