JDK 23 功能：JEP 474 ZGC 預設將改為分代模式
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前言 ZGC 全名是 Z Garbage Collector，它是 Java 虛擬機器中一種新型的垃圾回收器，目的是為了實現低延遲和高擴展的垃圾收集器。首先在 JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental) 中於 JDK 11 時以實驗性質的方式導入，之後在 JDK 13（JEP 351）和 JDK 14（ …
Java深聊
Java 的概念、技術、套件、教學與新聞，包括與之相關的 Spring, Hibernate 等等
JDK 24 的首項公開功能 JEP 472 為限制使用 JNI 做準備
JDK 24 現況 JDK 23 即將於今年 9 月份發布，緊接著後續的 JDK 24 開發工作也已經如火如荼地展開，並預計於 2025 年 3 月發布。JDK 24 屬於非長期支援（LTS）的版本之一，這意味著它與 JDK 23 一樣，將只會獲得 Oracle 六個月的 Premier 支援。 可以預期的是，許多已包含在 JDK 23 中的預覽功能，都可望被納入 JDK 24 之中，例如像是： …
MacOS Sonoma 14.4 會無預警終止 Java 應用程式
前陣子老喬的公司如火如荼地進行 ISO 相關驗證，其中的作業程序書中明定所有電腦的作業系統都需要自動或手動定期更新到最新的版本，以避免駭客利用系統弱點並執行惡意程式或取得系統權限。如同專家們建議的一樣，通常我們會將作業系統更版到最新，尤其是內含重大安全性修補時。不過，歷史上也曾經發生過更新檔有臭蟲而導致更大的漏洞，甚或系統崩潰再起不能的事件。這一次，MacOS Sonoma 14.4 也面臨到了同 …
JCConf 2023 – 深入淺出 Java 21 功能 影片
活動頁面：JCConf 2023 Since the previous LTS, JDK 17, was released in 2021, there are quite lots of features added into the Java specification. In this year, the latest JDK 21 LTS version is released and b …
JCConf 2023 – 深入淺出 Java 21 功能 簡報
活動頁面：JCConf 2023 Since the previous LTS, JDK 17, was released in 2021, there are quite lots of features added into the Java specification. In this year, the latest JDK 21 LTS version is released and b …
JCConf 2022 – New Features in Java 18 & 19 影片
活動頁面：JCConf 2022 Java 18 and 19 are released in 2022, including Simple Web Server, Code Snippet in JavaDoc, Vector API, Foreign Function & Memory API, Pattern Matching for switch, Record Patterns …
JCConf 2022 – New Features in Java 18 & 19 簡報
活動頁面：JCConf 2022 Java 18 and 19 are released in 2022, including Simple Web Server, Code Snippet in JavaDoc, Vector API, Foreign Function & Memory API, Pattern Matching for switch, Record Patterns …
JCConf 2021 – Java17: The Next LTS 影片
活動頁面：JCConf 2021 After 3 years, the third LTS version, Java 17, was released in September 2021. We all are very excited and keen to learn more about new changes it brings to us. However, many projects …
JCConf 2021 – Java17: The Next LTS 簡報
活動頁面：JCConf 2021 After 3 years, the third LTS version, Java 17, was released in September 2021. We all are very excited and keen to learn more about new changes it brings to us. However, many projects …
JCConf 2020 – New Java Features Released in 2020 影片
活動頁面：JCConf 2020 In 2020, Java 14 and 15 are released with many great features, including ZGC, Shenandoah GC, helpful NullPointerExceptions, pattern matching for instanceof, switch expressions, text b …