Publicis Sapient
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Question d’entretien chez Publicis Sapient
what is singleton design pattern, what are immutable classes.
Réponse à la question d'entretien
Utilisateur anonyme
18 août 2017
An immutable object is initialized by its constuctor only, while a singleton is instantiated by a static method, restricts the instantiation of a class to one object. This is useful when exactly one object is needed to coordinate actions across the system
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