You are building an application running inside the web browser (a classic SPA). You have to read a list of user's followers' usernames from the server. This list can contain thousands of usernames. You need to implement a component that finds a username from the list based on user input. For example given a list of usernames 'fred', 'frank', 'jerry' . When a user types fr , you should filter the list so that usernames starting with fr are included ( fred and frank in this case). How would you implement this (data structures and algorithms)?

Microsoft Visual C#
7th Edition
ISBN:9781337102100
Author:Joyce, Farrell.
Publisher:Joyce, Farrell.
Chapter5: Looping
Section: Chapter Questions
Problem 12E
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You are building an application running inside the web browser (a classic SPA). You have to read a list of user's followers' usernames from the server. This list can contain thousands of usernames. You need to implement a component that finds a username from the list based on user input. For example given a list of usernames 'fred', 'frank', 'jerry' . When a user types fr , you should filter the list so that usernames starting with fr are included ( fred and frank in this case).

How would you implement this (data structures and algorithms)? 

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