Arrays and the ArrayList class.

Arrays and the ArrayList class Dealing with collections of data is a common occurrence in programming, from calculating the sum of a series of numbers to storing, accessing, and displaying a set of messages to a user, based on input from that user. Java provides you with commands for creating arrays and accessing elements within an array, and it includes an Arrays class and an ArrayList class that contain methods for performing common array functions, such as searching and sorting, as well as . Chapter 7 of your textbook introduces you to arrays and steps you through techniques for performing a host of functions and calculations on those arrays.