通用DCL数据结构控件库，可以实现JAVA常用的数据结构，如HASHMAP，ARRAYLIST，ARRAYSET，QUEUE，BINARYTREE，HEAP等等数据结构的DELPHI实现-Common control library DCL data structure can be achieved JAVA common data structures, such as HASHMAP, ARRAYLIST, ARRAYSET, QUEUE, BINARYTREE, HEAP, etc. D

javase的PDF 里面讲解了java set集合 map集合的用法，主要介绍了hashmap的机制-javase PDF inside to explain the usage of the java set a collection of map collection mechanism, introduces the hashmap

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