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Hash Map,Hash Tree ,Array List

 
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At what scenario,Hasp Map,Hash tree and array list should be used.PLease explain with a real time scenario
 
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I don't mean to be mean, but you post is about to be moved by a moderator. May suggest reposting in General Computing and deleting this post? Each of the data containers / data models you mention has a best use scenario that is described efficiently in the documentation for Collections generally, and I suggest

to answer your question.
 
Wanderer
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I see this question is also posted here, so I'll just close this copy. Please don't post the same question in several places here, as it often wastes people's time if they answer a question that's already been answered on another forum. Thanks.
 
Jim Yingst
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Hm, now the other thread has been deleted. Very confusing. I'll reopen this and move it to Intermediate.
 
Jim Yingst
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Jacob, I'm guessing you are asking about the Java implementations of these classes, not the general algorithms, correct? While an understanding of the underlying theory can be helpful, it's possible to use the Java classes without that. Have you read the Java Tutorial on Collections? That's a good starting point for you, I think.
 
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Originally posted by Nicholas Jordan:
I don't mean to be mean, but you post is about to be moved by a moderator. May suggest reposting in General Computing and deleting this post? Each of the data containers / data models you mention has a best use scenario that is described efficiently in the documentation for Collections generally, and I suggest

to answer your question.


Say, you're not plugging your own book here, now are we?
 
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https://coderanch.com/wiki/718759/books/Building-World-Backyard-Paul-Wheaton
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