In real time project, when we go for HashMap and TreeMap?
In what condition, we choose both?
There are also different data structure in Java Collection, so, what's the reason to use TreeMap or HashMap? and any short example?
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Youcef LAIDANI
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Hint: do some prior research the next time. – GhostCat Jul 19 '16 at 08:34
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[Java Collection matrix](https://docs.google.com/spreadsheets/d/1JSBPho-Df_1Km0SxXfjW8a8PRLLTeoDDiY8ePs_Ac-c/pub) – Arjan Jul 19 '16 at 08:37
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1Real time, or real life? Real time has a specific meaning, and I don't think it is what you mean. – Mark Rotteveel Jul 19 '16 at 09:11
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Treemap has been widely applied to various financial applications and one of the most famous is the SmartMoney which uses treemap to display information. – Joby Wilson Mathews Aug 08 '16 at 18:21