// User.java public record User(String username, String email, int age)

| Platform | Link (placeholder) | Notes | |----------|-------------------|-------| | | https://youtu.be/xyz123JUL744 | Official upload on 10 Aug 2021. | | GitHub – javahd/quick‑java‑13min | https://github.com/javahd/quick-java-13min | Full source, JMH scripts, and a README.md with exercises. | | Podcast – “Java in a Flash” | https://podcasts.com/java-in-a-flash/744 | Audio‑only version for commuters. | | Blog Republish | https://devjournal.com/jul-744-javhd-today | This post! (Feel free to share). |

int status = 404; String message = switch (status) case 200 -> "OK"; case 400 -> "Bad Request"; case 404 -> "Not Found"; default -> String unknown = "Unexpected status: " + status; yield unknown;