Question d’entretien chez Capgemini
Difference between HashMap and Hashtable? Please considered other collection classes too for compression.
Réponse à la question d'entretien
Utilisateur anonyme
26 juin 2020
Hashtable -> Thread safe, slow performance, doesn't allow null keys and value HashMap -> Not Thread safe, faster than Hashtable, uses Hashtable to store elements, allow one null key and multiple null values. etc.