Observer Design Pattern in Java

The observer pattern is a software design pattern in which an object, called the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, usually by calling one of their methods. Check out our courses: Java Full Stack and Spring AI - https://go.telusko.com/JavaSpringAI Coupon: TELUSKO10 (10% Discount) DevOps with AWS: From Basics to Mastery : https://go.telusko.com/DevOpsAWS Coupon: TELUSKO10 (10% Discount) Master Java Spring Development : https://go.telusko.com/masterjava Coupon: TELUSKO20 (20% Discount) For More Queries about Course, WhatsApp or Call: +919008963671 website : https://www.telusko.com/ Instagram : https://www.instagram.com/navinreddyofficial/ Linkedin : https://in.linkedin.com/in/navinreddy20 TELUSKO Android App : https://bit.ly/TeluskoApp TELUSKO IOS App : https://apple.co/3SsgmU2 Discord : https://discord.gg/D8hWe9BqfF Design Pattern in Java : https://www.youtube.com/watch?v=tDxnyop48mY&list=PLsyeobzWxl7r2ZX1fl-7CKnayxHJA_1ol