Explore how to refactor Java 8 code using Java 17's new features, particularly Records, in this 25-minute JEP Café video. Learn to enhance code readability without sacrificing performance through practical examples, including finding unique letters in a string, identifying top used letters, and partitioning words. Compare performance metrics, solve tie-breaking challenges, and discover how to leverage Java 17's Records for cleaner, more efficient code. Gain insights into the Haiku Katas, Eclipse Collections framework, and JMH benchmarking tool while improving your Java programming skills.