The Arraylist is a concrete implementation of the List ADT The Arraylist is one of the most popular data structures in the industry Why?

An AfayList can read dala very fast $-O(1)$ However, adding and remioving data is very slow $-$ Oin$).$ if the applcations ieads dent a lot ind only occasichany Wntes data then the Arraplost will work perfectiy

The Artaytist is the onfy dafa structure that is widely avalable in int largunges. As a resut it is mparlant to use the ArrayList in al applicatons

The AmayLts as extremely tast The apouthm rung is operatians at of $1)$ speted, Which is the fastest speed possible based un an aray t does not tak$$ up wery much mernoty