https://yanbin.blog/tags/java-24/Recent content in Java 24 on 隔叶黄莺 Yanbin's Blog - 软件编程实践Hugo -- gohugo.ioen-usyabqiu@gmail.com (Yanbin Qiu)yabqiu@gmail.com (Yanbin Qiu)Yanbin 隔叶黄莺Sun, 12 Apr 2026 13:30:00 -0500https://yanbin.blog/java-24-new-features/Sun, 12 Apr 2026 13:30:00 -0500yabqiu@gmail.com (Yanbin Qiu)https://yanbin.blog/java-24-new-features/ <p>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</p> <ol> <li><a href="https://www.oracle.com/java/technologies/javase/24all-relnotes.html#JSERN24">JDK 24 Release Notes - Major New Functionality</a></li> <li><a href="https://openjdk.org/projects/jdk/24/">OpenJDK JDK 24 Features</a></li> </ol> <p>IntelliJ IDEA 对 Java 24 Language level 描述是</p> <ol> <li>24 - No new language features</li> <li>24 (Preview) - Flexible constructor bodies, simple source files, etc.</li> </ol> <p>把上面第二个链接中的特性列出来</p> <div style="display: flex;font-size: 14px;"> <div style="flex: 1;"> <ul> <li>404: <a href="https://openjdk.org/jeps/404">Generational Shenandoah (Experimental)</a></li> <li>450: <a href="https://openjdk.org/jeps/450">Compact Object Headers (Experimental)</a></li> <li>472: <a href="https://openjdk.org/jeps/472">Prepare to Restrict the Use of JNI</a></li> <li>475: <a href="https://openjdk.org/jeps/475">Late Barrier Expansion for G1</a></li> <li>478: <a href="https://openjdk.org/jeps/478">Key Derivation Function API (Preview)</a></li> <li>479: <a href="https://openjdk.org/jeps/479">Remove the Windows 32-bit x86 Port</a></li> <li>483: <a href="https://openjdk.org/jeps/483">Ahead-of-Time Class Loading & Linking</a></li> <li>484: <a href="https://openjdk.org/jeps/484">Class-File API</a> <strong style="color: red">*</strong></li> <li>485: <a href="https://openjdk.org/jeps/485">Stream Gatherers</a> <strong style="color: red">*</strong></li> <li>486: <a href="https://openjdk.org/jeps/486">Permanently Disable the Security Manager</a></li> <li>487: <a href="https://openjdk.org/jeps/487">Scoped Values (Fourth Preview)</a></li> <li>488: <a href="https://openjdk.org/jeps/488">Primitive Types in Patterns, instanceof, and switch (Second Preview)</a></li> </ul> </div> <div style="flex: 1;"> <ul> <li>489: <a href="https://openjdk.org/jeps/489">Vector API (Ninth Incubator)</a></li> <li>490: <a href="https://openjdk.org/jeps/490">ZGC: Remove the Non-Generational Mode</a></li> <li>491: <a href="https://openjdk.org/jeps/491">Synchronize Virtual Threads without Pinning</a></li> <li>492: <a href="https://openjdk.org/jeps/492">Flexible Constructor Bodies (Third Preview)</a></li> <li>493: <a href="https://openjdk.org/jeps/493">Linking Run-Time Images without JMODs</a></li> <li>494: <a href="https://openjdk.org/jeps/494">Module Import Declarations (Second Preview)</a></li> <li>495: <a href="https://openjdk.org/jeps/495">Simple Source Files and Instance Main Methods (Fourth Preview)</a></li> <li>496: <a href="https://openjdk.org/jeps/496">Quantum-Resistant Module-Lattice-Based Key Encapsulation Mechanism</a></li> <li>497: <a href="https://openjdk.org/jeps/497">Quantum-Resistant Module-Lattice-Based Digital Signature Algorithm</a></li> <li>498: <a href="https://openjdk.org/jeps/498">Warn upon Use of Memory-Access Methods in sun.misc.Unsafe</a></li> <li>499: <a href="https://openjdk.org/jeps/499">Structured Concurrency (Fourth Preview)</a></li> <li>501: <a href="https://openjdk.org/jeps/501">Deprecate the 32-bit x86 Port for Removal</a></li> </ul> </div> </div> <p>Java 24 中列出的特性恰如其版本一样，有 24 条，因其是一个过渡版本，多数为非正式特性，也就为什么 IntelliJ IDEA 从语言特性上把 Java 标记为 No new language features. 其实也不然，个人觉得有两个正式特性值得关注，即 Class-File API 和 Stream Gathers。</p>