Abstract
Polymorphism enables code to be more abstract. When your code references an interface instead of a class, it loses its coupling to that class and becomes more flexible in the face of future modifications. Such abstraction is not possible with class constructors. This chapter examines the techniques of object caching and factories, which help the designer to restrict constructor usage to a small, well-known set of classes.
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© 2019 Edward Sciore
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Sciore, E. (2019). Encapsulating Object Creation. In: Java Program Design. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-4143-1_5
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DOI: https://doi.org/10.1007/978-1-4842-4143-1_5
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Publisher Name: Apress, Berkeley, CA
Print ISBN: 978-1-4842-4142-4
Online ISBN: 978-1-4842-4143-1
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