Abstract
Chapter 2 examined how interfaces can extend other interfaces, creating a hierarchy of types. One of the characteristics of an object-oriented language is that classes can extend other classes, creating a class hierarchy. This chapter investigates class hierarchies and the ways they can be used effectively.
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© 2019 Edward Sciore
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Sciore, E. (2019). Class Hierarchies. In: Java Program Design. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-4143-1_3
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DOI: https://doi.org/10.1007/978-1-4842-4143-1_3
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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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