Oracle Java EE Application Developer Certification 2021


About Java EE 7 Application Developer (1Z0-900)

Oracle Java EE 7 Application Developer (1Z0-900) exam validates programming capability to develop and deploy applications using Java Platform, Enterprise Edition 7. This exam is best fit for intermediate to advanced level Java Front-End and Back-end application developers, architects, and software engineers who possess expertise utilizing Java EE 7 technology to create web-based user interfaces using JavaScript along with JSPs, JSFs, servlets and handle business logic.

Knowledge Required

For the Java EE 7 Application Developer (1Z0-900) Exam it is recommended that you should have up-to-date training and hands-on programming experience and previous Java SE certification.

Course Structure

The Java EE 7 Application Developer (1Z0-900) Exam covers the following topics –

1. Understand Java EE Architecture

• Describe Java EE 7 standards, containers, APIs, and services

• Differentiate between application component functionalities as they apply to different tiers and containers, including Java EE Web Container, Business Logic implementation and WebServices

• Create, package and deploy Java EE application

• Demonstrate understanding of Enterprise JavaBeans and CDI beans, their lifecycle and memory scopes

• Demonstrate an understanding of the relationship between bean components, annotations, injections, and JNDI

2. Implement Business Logic by Using EJBs

• Create session EJB components containing synchronous and asynchronous business methods, manage the life cycle container callbacks and use interceptors

• Demonstrate understanding of how to control EJB transactions, distinguish Container-Managed (CMT) and Bean Managed (BMT) transactions

• Create EJB timers

3. Implement SOAP Services by Using JAX-WS and JAXB APIs

• Create SOAP Web Services and Clients using JAX-WS API

• Define Java to XML Schema mappings to marshall and unmarshall Java Objects by using JAXB API

4. Create Java Web Applications using JSPs

• Describe JSP life cycle

• Describe JSP syntax, use tag libraries and Expression Language (EL)

• Handle errors using Servlets and Java Server Pages

5. Create Java Applications using WebSockets

• Understand and utilise WebSockets communication style and lifecycle

• Create WebSocket Server and Client Endpoint Handlers using JSR 356 API and JavaScript

• Produce and consume, encode and decode WebSocket messages

6. Secure Java EE 7 Applications

• Describe Java EE declarative and programmatic security and configure authentication using application roles and security constraints and Login Modules

• Describe WebServices security standards

7. Use Concurrency API in Java EE 7 Applications

• Demonstrate understanding of Java Concurrency Utilities and use Managed Executors

8. Manage Persistence using JPA Entities and BeanValidation

• Create JPA Entity and Relationship Object-Relational Mappings (ORM)

• Use Entity Manager to perform database operations, transactions and locking with JPA entities

• Handle entity data with conversions, validations, and key generation

• Create and execute JPQL statements

9. Use Java Message Service API

• Describe the Java Message Service (JMS) messaging models and implement Java SE and Java EE message producers and consumers, including Message-Driven beans

• Use transactions with JMS API

10. Create Java Web Applications using Servlets

• Create Java Servlets, describe how they are mapped to urls and use HTTP methods

• Handle HTTP headers, parameters, cookies

• Manage servlet life cycle with container callback methods and WebFilters

11 Implement REST Services using JAX-RS API

• Understand and Apply REST service conventions

• Create REST Services and clients using JAX-RS API

12. Develop Web Applications using JSFs

• Describe JSF arcitecture, lifecycle and navigation

• Understand JSF syntax and use JSF Tag Libraries

• Handle localisation and produce messages

• Use Expression Language (EL) and interact with CDI beans

13. Use CDI Beans

• Create CDI Bean Qualifiers, Producers, Disposers, Interceptors, Events and Stereotypes

14. Use Batch API in Java EE 7 Applications

• Describe batch jobs using JSL XML documents and JSR 352 API

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