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Java集合的使用.md
Collection 是单列集合接口的父接口,该接口并没有什么特点,只是规定一些方法。 常用方法 Collection 是 Java 集合框架中的一个核心接口,位于 java.util 包中。它定义了一组操作集合的通用方法,是 List、Set 和 Queue 等集合接口的父接口。以下是 Collection 接口中常用 ...
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