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 18. Utilizar Java con otros lenguajes
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18.0 Introducción
Java dispone de varios métodos para ejecutar programas escritos en otros lenguajes. Puedes invocar un programa compilado o un script ejecutable utilizando Runtime.exec(), como describiré en la Receta 18.1. Aquí hay un elemento de dependencia del sistema, porque sólo puedes ejecutar aplicaciones externas en el sistema operativo para el que están compiladas.
Alternativamente, puedes invocar uno de los numerosos lenguajes de scripting (o lenguajes dinámicos) -que abarcan toda la gama: awk, bsh, Clojure, Ruby, Perl, Python, Scala- utilizando javax.script, como se ilustra en la Receta 18 .3. O puedes descender al nivel C con el mecanismo decódigo nativo de Java y llamar a funciones compiladas escritas en C/C++; véase la Receta 18.6. Desde el código nativo, puedes llamar a funciones escritas en casi cualquier lenguaje. Por no mencionar que puedes contactar con programas escritos en cualquier lenguaje a través de un socket (ver Capítulo 13), con servicios HTTP (ver Capítulo 13), o con clientes Java en RMI o clientes CORBA en una gran variedad de lenguajes.
Existe una amplia gama de otros lenguajes JVM, incluidos éstos:
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BeanShell, un lenguaje de scripting general para Java.
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Groovy es un lenguaje de scripting basado en Java que fue pionero en el uso de cierres en el ecosistema del lenguaje Java. También ...
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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.