HashSet en Java explicado fácil | Sets sin duplicados

In this video, you'll learn how to use HashSet in Java, a dynamic structure ideal for quick searches and avoiding duplicate elements. Through practical examples you will learn: What a Set is and how a HashSet works Key differences between a HashSet and an ArrayList Why HashSet doesn't allow duplicates How to add, remove, and iterate through elements How to check if an element exists using `contains()` Why HashSet doesn't have indexes or guaranteed order When it's best to use HashSet for performance Course GitHub repository: https://github.com/DiscoDurodeRoer/cu... Complete dynamic structures course in one video:    • Domina las Estructuras Dinámicas en Java c...   Join this channel to access its benefits:    / @discoduroderoer   Get discount coupons for my Udemy courses: https://cupones.discoduroderoer.es/#/... Follow my upcoming Events: https://eventos.discoduroderoer.es Visit our website: http://www.discoduroderoer.es/ Need a quality server? Webempresa has you covered. https://clientes.webempresa.com/europ... Want to follow our work? Visit our GitHub repository. https://github.com/DiscoDurodeRoer Become our patron!   / discoduroderoer   Follow us on social media: Facebook: http://goo.gl/JcLshS Twitter: http://goo.gl/MU2Gbo YouTube: http://goo.gl/5vjkGP or subscribe Discord:   / discord   Twitch:   / discoduroderoer_prog   If you want to contact us with any questions or send us exercises: [email protected] Episodes: 00:00 Introduction 00:52 How to create a hashset in Java 01:24 Adding elements to a hashset in Java 02:40 Checking if a hashset is empty with `isEmpty` 02:54 Getting the number of elements in a hashset in Java with `size` 03:08 Deleting an element from a hashset Using `remove` on a hashset in Java 04:21 Checking if an element exists in a hashset in Java using `contains` 06:21 Iterating through a hashset with `foreach` 06:35 Iterating through a hashset with `iterator` 08:06 Clearing elements from a hashset in Java