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 85. Desmarca tus excepciones
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Kevlin Henney
Si alguna vez quieres caminar hacia el infierno, el viaje será fácil para tus pies. Todo el camino está muy bien pavimentado, con buenas intenciones hasta donde alcanza la vista. Al menos uno de esos adoquines está dedicado al modelo de excepciones comprobadas de Java.
Una excepción comprobada es aquella que, si no se maneja dentro de un método, debe aparecer en la cláusula throws del método. Cualquier clase que descienda de Throwable puede aparecer después de throws, pero las excepciones comprobadas no manejadas (que no desciendan ni de RuntimeException ni de Error) deben aparecer. Ésta es una característica del lenguaje Java, pero no tiene significado para la JVM y no es un requisito para los lenguajes JVM.
La buena intención aquí promueve que los fallos de un método tengan la misma importancia a nivel de tipo que sus entradas y salidas en un escenario de éxito. A primera vista, esto parece razonable. De hecho, en una base de código pequeña y cerrada, esta confianza a nivel de tipo en que no se pasan por alto algunas excepciones es un objetivo fácil de alcanzar y, una vez alcanzado, ofrece cierta tranquilidad (muy) básica sobre la integridad del código.
Sin embargo, las prácticas que pueden funcionar en lo pequeño ...
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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.