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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Capítulo 44. La JVM es una plataforma multiparadigma: Utilízala para mejorar tu programación
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Russel Winder
Java es un lenguaje imperativo: Los programas Java le dicen a la JVM qué hacer y cuándo hacerlo. Pero la informática consiste en construir abstracciones. Java se promociona como un lenguaje orientado a objetos: las abstracciones de Java son los objetos, los métodos y el paso de mensajes mediante llamadas a métodos. A lo largo de los años, la gente ha construido sistemas cada vez más grandes utilizando objetos, métodos, estado actualizable e iteración explícita, y han aparecido las grietas. Muchas se "tapan" mediante pruebas de alta calidad, pero aun así los programadores acaban "hackeando" para sortear diversos problemas.
Con la llegada de Java 8, Java experimentó un cambio revolucionario extremadamente : introdujo referencias a métodos, expresiones lambda, métodos por defecto en interfaces, funciones de orden superior, iteración implícita y varias cosas más. Java 8 introdujo una forma muy diferente de pensar sobre la implementación de algoritmos.
El pensamiento imperativo y el declarativo son formas muy distintas de expresar algoritmos. Durante las décadas de 1980 y 1990, estas mentalidades se consideraban distintas e irreconciliables: teníamos la guerra de ...
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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.