August 2026
Intermediate
538 pages
16h 40m
French
Content preview from Java en bref (French Edition), 9th Edition
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Chapitre 4. La programmationorientée objet en Java
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Maintenant qu’on a vu les bases de la syntaxe Java et comment exécuter nos programmes, on est prêts à se lancer dans la programmation orientée objet en Java. Tous les programmes Java utilisent des objets, et le type d’un objet est défini par sa classe ou son interface. Chaque programme Java est défini comme une classe, et les programmes un peu plus complexes comprennent plusieurs classes et définitions d’interfaces.
Ce chapitre explique comment définir de nouvelles classes (et un cas particulier important, appelé « classes d'enregistrements » ou « enregistrements ») et comment les utiliser pour la programmation orientée objet. On présente également le concept d'interface, mais on reviendra en détail sur les interfaces et le système de types de Java au chapitre 5.
Remarque
Si tu as déjà de l’expérience en programmation orientée objet, fais toutefois attention. Le terme « orienté objet » a des significations différentes selon les langages. Ne pars pas du principe que Java fonctionne de la même manière que tes autres langages orientés objet préférés. (C’est particulièrement vrai pour les programmeurs JavaScript ou Python.)
Ce chapitre est assez long, alors commençons par un aperçu et quelques définitions.
Présentation des classes et des enregistrements
Les classes constituent l’élément structurel ...
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