Common methods of analyzing HashMap sets in Java

This article mainly introduces "the common methods of analyzing the HashMap collection in Java". In the daily operation, I believe that many people have doubts about the common methods of analyzing the HashMap collection in Java. The editor consulted all kinds of materials and sorted out the simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "the common methods of analyzing the HashMap collection in Java". Next, please follow the editor to study!

Public Object clone ()

Returns a copy of the hashMap collection

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