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List去重:高效去除重复记录
4、 List集合有序且元素可重复,均继承自Collection接口。 5、 List接口的三个实现类分别是LinkedList、ArrayList和Vector;Set接口的两个实现类为HashSet(底层基于HashMap)和LinkedHashSet。这些实现类各自具有不同的特性和适用场景,广泛应用于Java集合框架中的数据存储与操作 ...
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