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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
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Don't let this gap widen
Sans maîtrise du mapping automatisé d’objets en Java, les développeurs gaspillent 30 % de leur temps sur du code boilerplate manuel, source de 40 % des bugs liés aux transformations de données.
Chaque incident de production dû à un mapping erroné coûte en moyenne 8 000 € en debugging et retards, avec 25 % des déploiements impactés selon les études sectorielles.
Ces pertes érodent la productivité des équipes, freinent la scalabilité des applications et exposent l’entreprise à des risques concurrentiels majeurs, menaçant postes de lead dev et objectifs business.
Chaque trimestre sans automatisation amplifie les vulnérabilités, rendant les architectures Java obsolètes face à la concurrence.
The Maîtriser MapStruct : Automatiser le Mapping d’Objets en Java training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Maîtriser MapStruct : Automatiser le Mapping d’Objets en Java training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Maîtriser MapStruct : Automatiser le Mapping d’Objets en Java training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Les problématiques du mapping d’objets dans l’univers Java (DTO, entités, API, microservices). Présentation de MapStruct, alternatives existantes. Mise en place d’un projet MapStruct avec Maven et Gradle. Premier mapper simple : des entités aux DTO.
Gestion des conversions de types, mapping de collections, mapping imbriqué (objets complexes). Utilisation des annotations de customisation (expressions, @Mapping, @AfterMapping, @BeforeMapping). Héritage, mapping partiel, gestion des valeurs par défaut. Génération, structuration et maintenance des mappers dans des projets professionnels.
Intégration de MapStruct dans des architectures Spring, gestion du mapping bi-directionnel, cas d’usage en microservices. Gestion des exceptions, validation, testabilité (JUnit, Mockito). Optimisation des performances et pièges à éviter. Cas d’étude complet, atelier pratique et synthèse.
Target audience
Développeurs Java, architectes logiciels, lead dev souhaitant automatiser et fiabiliser la conversion d’objets dans des applications Java
Prerequisites
Bonne maîtrise du langage Java, expérience avec les frameworks Spring ou Jakarta EE souhaitée
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