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[pull] master from Snailclimb:master #4

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pull merged 1 commit into jamxe:master from Snailclimb:master
Aug 16, 2022
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9 changes: 9 additions & 0 deletions docs/b-2Java集合.md
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## 2.2. Java集合

> [JavaGuide](https://javaguide.cn/) :「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试,首选 JavaGuide!

![](https://p3-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/7965efc059b841aeb377e3b3e1e1005c~tplv-k3u1fbpfcp-zoom-1.image)

> 这部分内容摘自 [JavaGuide](https://javaguide.cn/) 下面几篇文章:
>
> - [Java集合常见面试题总结(上)](https://javaguide.cn/java/collection/java-collection-questions-01.html)
> - [Java集合常见面试题总结(下)](https://javaguide.cn/java/collection/java-collection-questions-02.html)

Java 集合, 也叫作容器,主要是由两大接口派生而来:一个是 `Collection`接口,主要用于存放单一元素;另一个是 `Map` 接口,主要用于存放键值对。对于`Collection` 接口,下面又有三个主要的子接口:`List`、`Set` 和 `Queue`。

Java 集合框架如下图所示:
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AltStyle によって変換されたページ (->オリジナル) /