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Data Structures in Java: Part 8, The Comparable Interface, Part 2

Baldwin shows you why the elements stored in a TreeSet collection need to be references to objects instantiated from a class that implements the Comparable interface, and briefly discusses an alternative approach using the Comparator interface.

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Java Programming, Lecture Notes #1364 * Preface * Preview * Discussion and Sample Programs * Summary * What's Next ----------------------------------

Preface

This is the eighth lesson in a miniseries on Java data structures and the Java Collections Framework. The first lesson in the miniseries was entitled Data Structures in Java: Part 1, Getting Started. The previous lesson was entitled Data Structures in Java: Part 7, The Comparable Interface, Part 1.

The purpose of this miniseries is to help you learn the essential features of Object-Oriented data structures in Java using the Collections Framework.

This is also the second and final lesson in a sub-series on the Comparable interface. The purpose of the lessons in the sub-series is to teach you about the interactions between the Comparable interface and the Collections Framework, particularly with respect to the Set, SortedSet, and SortedMap interfaces of the Collections Framework. This lesson discusses Set and SortedSet. A discussion of SortedMap will be deferred for inclusion in a subsequent lesson.

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