Full tutorial on Sets and HashSets in Java! Thanks to Mailgun for sponsoring this video! Go to https://mailgun.com/john to try Mailgun today. ☕ Complete Java course: https://codingwithjohn.thinkific.com/courses/java-for-beginners What exactly are Sets and HashSets in Java? How are they different? How do you use them, and how are they different from Lists and ArrayLists? We'll learn all about Sets and HashSets (and other types of sets like TreeSets and LinkedHashSets) in this video. Learn or improve your Java by watching it being coded live! Hi, I'm John! I'm a Lead Java Software Engineer and I've been in the programming industry for more than a decade. I love sharing what I've learned over the years in a way that's understandable for all levels of Java learners. Let me know what else you'd like to see! Links to any stuff in this description are affiliate links, so if you buy a product through those links I may earn a small commission. 📕 THE best book to learn Java, Effective Java by Joshua Bloch https://amzn.to/36AfdUu 📕 One of my favorite programming books, Clean Code by Robert Martin https://amzn.to/3GTPVhf 🎧 Or get the audio version of Clean Code for FREE here with an Audible free trial http://www.audibletrial.com/johncleancode 🖥️Standing desk brand I use for recording (get a code for $30 off through this link!) https://bit.ly/3QPNGko 📹Camera I use for recording: https://amzn.to/3wlXcmR 🎙️Microphone I use (classy, I know): https://amzn.to/3AYGdbz Donate with PayPal (Thank you so much!) https://www.paypal.com/donate/?hosted_button_id=3VWCJJRHP4WL2 ☕Complete Java course: https://codingwithjohn.thinkific.com/courses/java-for-beginners https://codingwithjohn.com/