October 2024
Intermediate to advanced
638 pages
15h 47m
Spanish
Content preview from Libro de cocina de Java, 4ª edición
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Capítulo 8. Técnicas orientadas a objetos
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8.0 Introducción
Java es un lenguaje orientado a objetos (OO) en la tradición de Simula-67, SmallTalk y C++. Toma prestada la sintaxis de C++ y las ideas de SmallTalk. La API de Java se ha diseñado y construido según el modelo OO. Los patrones de diseño (véase el libro del mismo nombre), como Factory y Delegate, se utilizan en todo el programa; la comprensión de estos patrones te ayudará a entender mejor el uso de la API y a mejorar el diseño de tus propias clases.
Consejos o Mantras
Podría dar muchos consejos breves. Algunos temas recurrentes surgen cuando se aprenden los fundamentos de Java, y sugiero repasarlos cuando se aprende más Java.
Utiliza la API
No me canso de repetirlo. Muchas de las cosas que necesitas hacer ya han sido hechas por la buena gente que desarrolla la biblioteca estándar de Java (y las bibliotecas de terceros). Y esto aumenta con cada versión. Aprender bien la API es una buena base para evitar el mortal síndrome de "reinventar la rueda pinchada": conseguir un equivalente de segunda clase de un producto de primera clase que ha estado a tu disposición todo el tiempo. De hecho, parte de la misión de este libro es evitar que reinventes lo que ya existe. Un ejemplo de ello es la API de Colecciones en java.util, que se trata en el Capítulo 7. La API de Colecciones tiene un alto grado de generalidad ...
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