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 31. Oye Fred, ¿puedes pasarme el HashMap?
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Kirk Pepperdine
Imagínate la escena: una oficina vieja y estrecha con varias mesas de madera viejas colocadas una detrás de otra. Cada escritorio está equipado con un viejo teléfono negro de disco y ceniceros esparcidos por todas partes. Sobre uno de los escritorios hay un HashMap negro que contiene un ArrayList lleno de datos de clientes. Sam, que necesita ponerse en contacto con Acme Inc., recorre la oficina en busca del HashMap. Con los ojos desorbitados, localiza el HashMap y grita: "Eh, Fred, ¿puedes pasarme el HashMap?". ¿Te lo imaginas? Sí, no me lo imaginaba...
Una parte importante de la escritura de un programa es el desarrollo de un vocabulario. Cada palabra de ese vocabulario debe ser una expresión de algo que forme parte del dominio que estamos modelando. Al fin y al cabo, es esta expresión en código de nuestro modelo lo que otros tendrán que leer y comprender. En consecuencia, nuestra elección de vocabulario puede ayudar o dificultar la comprensión de nuestro código. Por extraño que parezca, la elección del vocabulario afecta a mucho más que la legibilidad: las palabras que utilizamos afectan a cómo pensamos sobre el problema en cuestión, lo que, a su vez, afecta a la estructura de nuestro código, a ...
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