August 2026
Intermediate
538 pages
15h 38m
Portuguese (Portugal, Brazil)
book
Java em poucas palavras (Portuguese Edition), 9th Edition
by Benjamin J. Evans, Jason R. Clark, David Flanagan
Content preview from Java em poucas palavras (Portuguese Edition), 9th Edition
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Capítulo 6. Introdução ao projeto orientado a objetos em Java
Este trabalho foi traduzido com recurso a IA. Agradecemos o teu feedback e comentários: translation-feedback@oreilly.com
Neste capítulo, vamos abordar várias técnicas relacionadas ao design orientado a objetos (OOD) em Java.
Vamos ver como trabalhar com objetos em Java, abordando os principais métodos da Object, aspectos do OOD e o uso de esquemas de tratamento de exceções.
Ao longo do capítulo, vamos apresentar alguns padrões de projeto— basicamente, as melhores práticas para resolver situações bem comuns que surgem no projeto de software.
No final do capítulo, também vamos falar sobre programas seguros — aqueles que são projetados para não ficarem inconsistentes com o tempo.
Observação
Este capítulo tem como objetivo apresentar alguns exemplos de um tema complexo e alguns princípios fundamentais. Não se trata, de forma alguma, de uma abordagem completa, e a gente te incentiva a consultar recursos adicionais, como Effective Java , de Joshua Bloch.
Antes de começarmos, vamos dedicar um momento para discutir um termo da programação orientada a objetos (OO) que estamos deliberadamente deixando de lado.Muitos recursos e livros usam bastante o termo polimorfismo (que em grego significa “muitas formas”) ao falar sobre programação OO. No entanto, embora a ideia geral pareça útil à primeira vista, quando analisada mais de perto, ela perde o encanto.
A palavra tem como objetivo abranger uma ampla gama de mecanismos da linguagem ...
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