What is the meaning of Singleton?
A playing card that is the only one of its suit in a hand, especially at bridge.
A hand containing only one card of a certain suit.
A single object, especially one of a group.
A class that may not be instantiated more than once, i.e. that implements the singleton design pattern.
A set with exactly one element.
A child or animal that is born singly, not as a twin or other multiple birth.
A person without a romantic partner.
A person without a dissociative identity.
A single consonant, as opposed to a geminated consonant.
A singleton (lone playing card).
A singleton (design pattern, class, set).
singleton (class that may not be instantiated more than once)
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