Donovan Data Systems
Désormais appelé Mediaocean
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Question d’entretien chez Donovan Data Systems
What is the difference between HashMap and Hashtable?
Réponse à la question d'entretien
Utilisateur anonyme
27 mai 2011
Stock question every employer seems to ask. To save you the trouble of looking it up, Hashtable is synchronized, HashMap is not, Hashtable doesn't allow nulls, HashMap allows one null key and null objects.