'Public interface comparable' diaporamas de présentation

Listas Ordenadas e Listas Classificadas

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Interfaces and related issues

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Building Java Programs

Building Java Programs. Interfaces, Comparable reading: 9.5 - 9.6, 16.4, 10.2. r. w. h. b. a. c. Related classes. Consider classes for shapes with common features: Circle (defined by radius r ): area = ? r 2 , perimeter = 2 ? r Rectangle (defined by width w and height h ):

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Building Java Programs

Building Java Programs. Interfaces, Comparable reading: 9.5 - 9.6, 16.4, 10.2. r. w. h. b. a. c. Related classes. Consider classes for shapes with common features: Circle (defined by radius r ): area = ? r 2 , perimeter = 2 ? r Rectangle (defined by width w and height h ):

231 views • 23 slides

Chapter 15 Abstract Classes and Interfaces

Chapter 15 Abstract Classes and Interfaces. 1. Abstract Classes. In the inheritance hierarchy, classes become more general and less specific as you move up with each superclass. Sometimes, a superclass is so abstract that it cannot have any specific instances.

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Interfaces

Interfaces. Relatedness of types. Consider the task of writing classes to represent 2D shapes such as Circle , Rectangle , and Triangle . There are certain attributes or operations that are common to all shapes: perimeter, area

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Introduction

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