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Why we can't use byte[] as a key of hashmap?

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Question added by Deleted user
Date Posted: 2013/10/18
Mohamed Amer
by Mohamed Amer , Software Development Engineering at TradeNet , TradeNet

becuase byte[] uses equals and hashCode to compare, so that

byte[] a = {1,2,3};

byte[] b = {1,2,3};

will not match in hashmap

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