Publicis Sapient
Parte da empresa Publicis Groupe
Empresa engajada
Pergunta de entrevista da empresa Publicis Sapient
what is singleton design pattern, what are immutable classes.
Resposta da entrevista
Sigiloso
18 de ago. de 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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