Mimk-054-en-javhd-today-0901202101-58-02 Min ^new^

| Timestamp | Segment | Core Content | |-----------|---------|--------------| | | Intro & Context | Why “HD” matters today; market pressure from micro‑services & serverless; Java’s 27‑year evolution story. | | 03:31‑12:00 | Java Language Refresh | Deep dive into sealed hierarchies , records & pattern matching ; live coding: converting a classic POJO hierarchy into a sealed‑record model. | | 12:01‑20:15 | Build‑Tool Revolution | Gradle 7.x incremental compilation vs. Maven 3.9; demo of ./gradlew assemble hitting < 1 sec for a 30‑module project. | | 20:16‑29:45 | Concurrency Re‑imagined – Project Loom | Virtual threads vs. platform threads; benchmarking a 10 k‑connection HTTP server (Loom ≈ 30 % lower CPU). | | 29:46‑38:30 | Native Image with GraalVM | End‑to‑end creation of a native Spring‑Boot micro‑service; cold start drops from 1.8 s → 48 ms . | | 38:31‑45:20 | Reactive & Event‑Driven | Micronaut + RxJava vs. traditional CompletableFuture ; why reactive remains relevant in a Loom‑enabled world. | | 45:21‑53:00 | Observability – JFR & OpenTelemetry | One‑line JFR enablement, custom events, exporting to OTEL collector; real‑time dashboards demo. | | 53:01‑58:02 | Wrap‑Up & Q&A | Future roadmap (Project Valhalla, Panama), best‑practice checklist, where to find the source repo. |

import java.util.*; import java.util.concurrent.atomic.AtomicLong; import java.util.stream.Collectors; MIMK-054-EN-JAVHD-TODAY-0901202101-58-02 Min

Feel free to copy‑paste the checklist, embed the YouTube link, or link directly to the repository for a seamless learning experience. | Timestamp | Segment | Core Content |

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