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 1. Primeros pasos: Compilar y ejecutar Java
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1.0 Introducción
Este capítulo abarca algunas tareas básicas que debes saber hacer antes de poder continuar. Se dice que hay que gatear antes de poder andar, y andar antes de poder montar en bicicleta. Antes de que puedas probar nada en este libro, tienes que ser capaz de compilar y ejecutar tu código Java, así que empiezo por ahí, mostrando varias formas de hacerlo: a la manera del JDK, a la manera del Entorno de Desarrollo Integrado (IDE) y a la manera de las herramientas de compilación (Ant, Maven, etc.). Otro problema con el que se encuentra la gente es la configuración correcta de CLASSPATH, así que lo trataré a continuación. Después vienen las advertencias de desaprobación, porque es probable que te las encuentres al mantener código Java antiguo. El capítulo termina con información general sobre compilación condicional, pruebas unitarias, aserciones y depuración.
Si aún no tienes Java instalado, tendrás que descargarlo. Ten en cuenta que hay varias descargas diferentes. La JRE (Java Runtime Environment) era, hasta Java 8, una descarga más pequeña para los usuarios finales. Dado que hay mucho menos Java de escritorio que antes, la JRE se eliminó en favor de jlink para hacer una descarga personalizada (ver Receta 15.8). La descarga del JDK o Java SDK es el entorno de desarrollo completo, que querrás si vas ...
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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.