Hashmap Vs Map Java
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Hashmap Vs Map Java
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Sep 6 2009 nbsp 0183 32 If I have the value quot foo quot and a HashMap amp lt String amp gt ftw for which ftw containsValue quot foo quot returns true how can I get the corresponding key Do I have to loop This creates an anonymous subclass of HashMap whose instance initializer puts these values By the way a map can t contain twice the same value your second put will overwrite the first
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