WHICH_PATTERN_PREVENTS_ONE_FROM_CREATING_MORE_THAN_ONE_INSTANCE_OF_A_V – McqOptions

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1.	WHICH_PATTERN_PREVENTS_ONE_FROM_CREATING_MORE_THAN_ONE_INSTANCE_OF_A_VARIABLE??$
A.	Factory Method
B.	Singleton
C.	Observer
D.	None of the mentioned
Answer» C. Observer

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