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技术文档/后端/Java8集合List排序、筛选、求和、求最大值、平均值.md updated from https://stackedit.cn/

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# 1. List ## 1. List
- 元素**有序** - 元素**有序**
- 元素**可重复** - 元素**可重复**
## 1.1 ArrayList ### 1.1 ArrayList
- 动态数组实现 - 动态数组实现
- 查询快 - 查询快
- 增删慢(末尾处也快) - 增删慢(末尾处也快)
## 1.2 LinkedList ### 1.2 LinkedList
- 链表实现 - 链表实现
- 查询慢 - 查询慢
- 增删快 - 增删快
## 1.3 ArrayList和LinkedList比较 ### 1.3 ArrayList和LinkedList比较
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