: Use contains("!") to find the exclamation point and endsWith() to check the final character.

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

: You must only include comments that contain an exclamation point ( ! ).

This method is more complex, requiring string searching and concatenation.

The question focuses on managing a collection of user reviews for a product. Below is a review of the technical concepts and logic required to solve it. 📋 Problem Overview

: The resulting strings must follow the format: index-comment .

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() .

The code appears to be a document identifier for a specific version of the 2022 AP Computer Science A Free Response Question (FRQ) #3 , titled " ReviewAnalysis ."