November 2024
Intermediate to advanced
638 pages
16h 24m
French
Content preview from Livre de cuisine Java, 4e édition
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Chapitre 1. Pour commencer : Compilation et exécution de Java
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1.0 Introduction
Ce chapitre traite de certaines tâches d'entrée de gamme que tu dois savoir faire avant de pouvoir continuer. On dit qu'il faut ramper avant de pouvoir marcher, et marcher avant de pouvoir faire du vélo. Avant de pouvoir essayer quoi que ce soit dans ce livre, tu dois être capable de compiler et d'exécuter ton code Java. Je commence donc par là, en montrant plusieurs façons de le faire : le JDK, l'environnement de développement intégré (IDE) et les outils de construction (Ant, Maven, etc.). Un autre problème que les gens rencontrent est de configurer correctement CLASSPATH, et c'est ce que j'aborde ensuite. Les avertissements de dépréciation suivent ensuite, car tu les rencontreras probablement en maintenant du vieux code Java. Le chapitre se termine par des informations générales sur la compilation conditionnelle, les tests unitaires, les assertions et le débogage.
Si Java n'est pas déjà installé sur ton ordinateur, tu devras le télécharger. Sache qu'il existe plusieurs téléchargements différents. Le JRE (Java Runtime Environment) était, jusqu'à Java 8, un petit téléchargement pour les utilisateurs finaux. Comme il y a beaucoup moins de Java de bureau qu'autrefois, le JRE a été éliminé en faveur de jlink pour faire un téléchargement personnalisé (voir la recette 15.8
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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.