The new EJB3 architecture is designed to greatly simplify the development of Enterprise JavaBeans, which today represents the most advanced solution in distributed architecture. It enables the development of business components that can be addressed both by a web service and by an organization’s traditional IT systems. This approach facilitates the creation of robust, scalable applications aligned with the strategic needs of modern enterprises.
Through a logical progression, this EJB 3 training covers all the essential aspects of development in Java EE. You will learn how to leverage different types of beans, manage client-server communication, and secure your applications. The course content is built around concrete examples and real-world use cases, ensuring immediate understanding and effective hands-on practice.
Module 1: Fundamental Architectural Concepts
Module 2: Guidelines for Designing a System Architecture
Module 3: Quality of Service Requirements
Module 4: Software Architecture Layers
Module 5: Managing Client-Side Considerations
Module 6: Java EE Technology Servers
Module 7: Java EE Technologies
Module 8: Java EE Technology Choices
Module 9: Java Connector Architecture (JCA)
Module 10: SOA Concepts
Module 11: Introduction to JAX-WS
Module 12: Java EE Security
Module 13: Web Services Security (WS-Security)
Module 14: Prototypes
Module 15: Describing and Evaluating Software Architecture
Appendix A: Data Transfer in Distributed Computing
Appendix B: Transactions
Appendix C: Business Tier and Integration Patterns
Enterprise application development today requires solutions capable of handling the growing complexity of systems. EJB 3 provides an effective answer with a simplified architecture based on Java EE standards. It enables the creation of modular, testable, and reusable business components, reducing maintenance costs and improving code quality. This technological framework ensures consistency in large-scale projects and offers better integration with existing information systems.
EJB 3 offers a clear model for managing transactions, security, and data persistence. Developers can therefore focus on business logic without getting lost in overly complex technical layers. This separation of responsibilities boosts productivity and reduces errors. Teams also benefit from an environment where business rules are centralized, making it easier to evolve applications over time.
For example, in the banking sector, where transactions must comply with ACID properties, EJB 3 ensures optimal reliability. In an e-commerce environment, it supports thousands of simultaneous connections while maintaining high availability. These cases illustrate the added value of this technology in industries where robustness and security are critical.
The training explores in detail multi-tier architectures, which are essential for performance and scalability. Understanding the differences between two-tier, three-tier, or N-Tier approaches allows participants to select the most suitable model based on project needs. This knowledge is crucial for designing systems capable of handling heavy user loads while remaining stable and secure. Learners also discover how to anticipate latency issues and reduce the number of network calls to improve responsiveness.
Security is a major challenge in distributed environments. The course dedicates several modules to access control, authentication, and the protection of sensitive data. Participants learn how to apply security principles across multiple levels, from client to server and up to web services. In parallel, quality of service is studied in all its dimensions: performance, reliability, availability, and maintainability. These skills are essential for building resilient applications that meet user expectations.
For instance, in the healthcare sector, where confidentiality is crucial, EJB 3 security mechanisms ensure that only authorized personnel can access medical data. Similarly, in telecommunications, availability requirements are addressed through advanced transaction management and fault tolerance.
Service-Oriented Architecture (SOA) is an integral part of the training. It acts as a strategic lever for fostering interoperability between applications. EJB 3 integrates naturally into this model, enabling the creation of services exposed through APIs or web services. Participants learn how these mechanisms streamline communication between heterogeneous systems and contribute to greater business agility.
This approach is especially valuable for organizations that need to connect ERP systems, legacy databases, and modern applications. Using EJB 3 makes it possible to design a consistent architecture capable of efficiently linking disparate environments while ensuring unified security.
Mastering EJB 3 and Java EE is a significant professional asset. Companies are seeking professionals capable of designing distributed systems that are both high-performing and secure. Enrolling in this training means acquiring a skill set directly applicable to strategic projects, while also opening opportunities to broaden one’s role toward software architecture and the management of complex projects.
EJB 3-trained developers can contribute to a variety of initiatives: modernizing monolithic applications, integrating web services into service-oriented architectures, or implementing messaging solutions with JMS. These skills are in high demand within large corporations and IT service companies.
What are the benefits of EJB 3 for developers?
They simplify code, improve transaction management, provide built-in security, and reduce technical overhead.
Does this training cover data persistence?
Yes, persistence is addressed through the EJB container and related mechanisms, with hands-on examples to strengthen learning.
What technical level is required to attend this course?
Participants should have knowledge of the Java language and some background in servlets and JSP. Familiarity with EJB 2.x is a plus.
Who is this training designed for?
Application developers, software architects, IT managers, and technical project leaders are the primary target audience.
Is EJB 3 still used today?
Yes, many organizations continue to rely on this technology for mission-critical applications, particularly in finance, telecommunications, and industry.
Monday to Friday
8:30 AM to 6:00 PM
Tel. 058 307 73 00
ITTA
Route des jeunes 35
1227 Carouge, Suisse
Monday to Friday, from 8:30 am to 06:00 pm.
