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Description: Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发与系统设计。准备后端技术面试，首选 JavaGuide！ - JavaGuide/docs/java/new-features/java21.md at main · Senrian/JavaGuide

Open Graph Description: Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发与系统设计。准备后端技术面试，首选 JavaGuide！ - Senrian/JavaGuide

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JEP 430: String Templates（字符串模板）	https://openjdk.org/jeps/430
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JEP 442: Foreign Function & Memory API（外部函数和内存 API）	https://openjdk.org/jeps/442
JEP 443: Unnamed Patterns and Variables（未命名模式和变量）	https://openjdk.org/jeps/443
JEP 444: Virtual Threads（虚拟线程）	https://openjdk.org/jeps/444
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	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#jep-430-string-templates字符串模板预览
	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#jep-431-sequenced-collections序列化集合
SequencedCollection	https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/SequencedCollection.html
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SequencedMap	https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/SequencedMap.html
	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#jep-439-generational-zgc分代-zgc
	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#jep-440-record-patterns记录模式
JEP 405	https://openjdk.org/jeps/405
JEP 432	https://openjdk.org/jeps/432
Java 20 新特性概览	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java20.md
	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#jep-441-pattern-matching-for-switchswitch-的模式匹配
	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#jep-442-foreign-function--memory-api外部函数和内存-api第三次预览
JEP 412	https://openjdk.java.net/jeps/412
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JEP 434	https://openjdk.org/jeps/434
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Java 19 新特性概览	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java19.md
	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#jep-443-unnamed-patterns-and-variables未命名模式和变量预览
	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#jep-444-virtual-threads虚拟线程
JEP 425	https://openjdk.org/jeps/425
Java 20 新特性概览	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java20.md
	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#jep-445-unnamed-classes-and-instance-main-methods未命名类和实例-main-方法预览
	https://github.com/Senrian/JavaGuide/blob/main/docs/java/new-features/java21.md#参考
https://howtodoinjava.com/java/java-string-templates/	https://howtodoinjava.com/java/java-string-templates/
https://howtodoinjava.com/java/sequenced-collections/	https://howtodoinjava.com/java/sequenced-collections/
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