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Enhancement
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Resolution: Fixed
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P5
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None
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b16
A few of the ImmutableCollections are inheriting size and/or isEmpty from abstract base classes. A few of these are inefficiently implemented, e.g., on a Map of one element isEmpty() will entrySet().size() == 0 when it could be implemented as "return false".
Override such methods where it makes sense.
Override such methods where it makes sense.