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: You must return a double . Ensure you cast to double before dividing by the array length to avoid integer division errors. Part B: collectComments()

: If no comments match the criteria, the method should return an empty list, not null . 2_5323305779468442749

This method requires you to calculate the arithmetic mean of all ratings in the allReviews array. : Use a for or for-each loop to traverse the array. Accumulation : Sum the values returned by getRating() . : You must return a double

The "ReviewAnalysis" problem asks you to manipulate an array of Review objects. You are required to implement two specific methods that handle data processing and string formatting. Key Components : An array containing Review objects. This method requires you to calculate the arithmetic

: If a comment does not end with a period ( . ) or an exclamation point ( ! ), you must append a period to the end.

: A method in the Review class that returns an integer rating.