October 2024
Intermediate to advanced
270 pages
8h 13m
Spanish
Content preview from 97 cosas que todo programador Java debe saber
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Capítulo 5. El comportamiento es "fácil"; el Estado es difícil
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Edson Yanaga
Cuando me inicié en la programación orientada a objetos, algunos de los primeros conceptos que me enseñaron fueron el triple de polimorfismo, herencia y encapsulación. Y para ser sincero, pasamos bastante tiempo intentando comprenderlos y codificar con ellos. Pero, al menos para mí, se hizo demasiado hincapié en los dos primeros, y muy poco en el tercero y más importante de todos: la encapsulación.
La encapsulación nos permite domar el estado y la complejidad crecientes que son una constante en el campo del desarrollo de software. La idea de que podemos interiorizar el estado, ocultarlo a otros componentes y ofrecer sólo una superficie API cuidadosamente diseñada para cualquier mutación de estado es fundamental para el diseño y la codificación de sistemas de información complejos.
Pero, al menos en el mundo Java, no hemos conseguido difundir algunas de las buenas prácticas sobre la construcción de sistemas bien encapsulados. Son comunes las propiedades JavaBean en clases anémicas que simplemente exponen el estado interno mediante getters y setters, y con las arquitecturas Java Enterprise parece que hemos popularizado el concepto de que la mayor parte -si no toda- la lógica empresarial debe ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.