Java 23 | 隔叶黄莺 Yanbin's Blog - 软件编程实践

Java 23 新特性学习
Dec 27, 2025 / Jan 2, 2026 --- · 5 min read · java 23 ·
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Java 24 也是一个过渡版本, 还是到下面两个链接中找相应的更新
1. JDK 23 Release Notes - Major New Functionality
2. OpenJDK JDK 23 Features
IntelliJ IDEA 对 Java 22 Language level 描述是
1. 23 - Markdown document comments
2. 22(Preview) - Primitive types in patterns, implicitly declared classes, etc.
把上面第二个链接中的特性列出来
455: Primitive Types in Patterns, instanceof, and switch (Preview) *
466: Class-File API (Second Preview)
467: Markdown Documentation Comments *
469: Vector API (Eighth Incubator)
473: Stream Gatherers (Second Preview)
471: Deprecate the Memory-Access Methods in sun.misc.Unsafe for Removal *
474: ZGC: Generational Mode by Default *
476: Module Import Declarations (Preview)
477: Implicitly Declared Classes and Instance Main Methods (Third Preview)
480: Structured Concurrency (Third Preview)
481: Scoped Values (Third Preview)
482: Flexible Constructor Bodies (Second Preview)
本文对上面用红点标记的特性重点关注
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