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Java集合常见知识点和面试题总结,希望对你有帮助!
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 、 Queue。 Java 集合框架如下图所示: 注:图中只列举了主要 ...
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