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3 cards from this section. Quick, good the night before a test.
What is the primary purpose of the Singleton Pattern?
Think about scenarios where having only one instance is beneficial.
What type of method is typically used to access the Singleton instance?
Consider how you might retrieve a single instance without creating a new one.
What does the Singleton Pattern ensure about a class?
Think about the essence of the design pattern.
True or False: A Singleton can have multiple instances in an application.
Consider the core principle of the design pattern.
Design a thread-safe Singleton implementation in a chosen programming language, ensuring no race conditions when accessing the instance.
Research locking mechanisms applicable to your language.
Analyze a scenario in an application where a Singleton Pattern could lead to negative consequences. Suggest an alternative design pattern.
Think about how design patterns impact scalability.
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