September 2024
Intermediate to advanced
552 pages
16h 34m
Spanish
Content preview from Aprender Java, 6ª Edición
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Capítulo 5. Objetos en Java
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En este capítulo, llegamos al corazón de Java y exploramos sus aspectos orientados a objetos . El término diseño orientado a objetos se refiere al arte de descomponer una aplicación en cierto número de objetos, que son componentes de aplicación autónomos que funcionan juntos. El objetivo es descomponer tu problema en problemas más pequeños que sean más sencillos y fáciles de manejar y mantener. Los diseños basados en objetos han demostrado su eficacia a lo largo de los años, y los lenguajes orientados a objetos como Java proporcionan una base sólida para escribir aplicaciones, desde las muy pequeñas a las muy grandes. Java se diseñó desde cero para ser un lenguaje orientado a objetos, y todas las API y bibliotecas de Java se construyen en torno a sólidos patrones de diseño basados en objetos .
Una metodología de diseño de objetos es un sistema o un conjunto de reglas creadas para ayudarte a descomponer tu aplicación en objetos. A menudo esto significa mapear entidades y conceptos del mundo real (a veces llamado dominio del problema) en componentes de la aplicación. Varias metodologías intentan ayudarte a factorizar tu aplicación en un buen conjunto de objetos reutilizables. Esto es bueno en principio, pero el problema es que un buen diseño orientado a objetos sigue siendo más arte que ciencia. Aunque puedes aprender de las metodologías ...
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