Migd-635-en-javhd-today-0607202201-48-25 Min Jun 2026

| Segment (Time‑Stamp) | Title | Core Topics Covered | |----------------------|-------|----------------------| | | Introduction & Context | Overview of the MIGD‑635 module, why Java 17‑23 matters today, and the “TODAY” learning philosophy (immediate applicability). | | 02:31 – 12:45 | Language Evolution Snapshot | Quick walk‑through of JEPs 378 → 456; emphasis on records , sealed classes , pattern matching , and switch expressions . | | 12:46 – 23:10 | Hands‑On: Refactoring to Records & Sealed Types | Live coding demo: converting a POJO hierarchy into a record‑based data model; introducing sealed interfaces to enforce domain invariants. | | 23:11 – 33:00 | Build‑Tool Integration | Maven compiler plugin configuration for preview features, Gradle java-toolchains , and IDE setup tips for Java 23. | | 33:01 – 41:30 | Concurrency Modernization – Virtual Threads | Explanation of Project Loom, demo of a simple HTTP server using virtual threads , comparison with traditional thread‑pool models. | | 41:31 – 46:50 | Performance & Migration Checklist | Benchmarks (JMH) for records vs. classes, sealed types impact on JVM optimizations, risk‑mitigation checklist for production roll‑out. | | 46:51 – 48:25 | Wrap‑Up & Resources | Summary of key take‑aways, links to JDK documentation, MIGD‑635 supplemental PDFs, and next steps (MIGD‑636 – “Reactive Streams & Structured Concurrency”). |

In this 48‑minute English‑language documentary, we explore the rapidly evolving landscape of artificial intelligence in the financial sector. Filmed on (timestamp 0607202201), the report offers an up‑to‑date look at how hidden algorithms are reshaping markets, influencing trading decisions, and raising ethical questions. MIGD-635-EN-JAVHD-TODAY-0607202201-48-25 Min