Java EE 7 Application Developer (1Z0-900) Practice Exam

The Oracle Java EE 7 Application Developer exam assesses programming proficiency in the development and deployment of applications using Java Platform, Enterprise Edition 7. It is designed for intermediate to advanced-level Java developers, architects, and software engineers skilled in Java EE 7 technology, specifically in creating web-based user interfaces using JavaScript in conjunction with JSPs, JSFs, servlets, and managing business logic. 

Candidates are recommended to have up-to-date training, hands-on programming experience, and previous Java SE certification. This certification evaluates the ability to:

• Understand the Architecture of Java EE
• Manage Persistence using JPA entities and Bean Validation
• Implement business logic using EJBs
• Utilize Java Message Service API
• Implement SOAP Services using JAX-WS and JAXB APIs
• Develop Java Web Applications using Servlets and JSPs
• Implement REST Services using JAX-RS API
• Create Java Applications utilizing WebSockets
• Develop Web Applications using JSFs
• Secure Java EE 7 Applications
• Utilize CDI Beans, concurrency API, and Batch API

Who should take the exam?

The Java EE 7 Application Developer (1Z0-900) exam is ideal for individuals with a strong foundation in Java SE and who want to demonstrate their skills in developing and deploying enterprise-level Java applications using Java EE 7 technologies. Target Audience includes:

• Mid-level to Advanced Java Developers
• Java SE Developers Seeking Enterprise Development Skills
• Professionals Transitioning to Java EE 7

Exam Details

• Exam Name: Java EE 7 Application Developer
• Exam Number: 1Z0-900
• Exam Languages: English
• Exam Questions: 70 Questions
• Time: 120 minutes
• Passing Score: 66%

Exam Course Outline 

The Exam covers the given topics  - 

Topic 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 understanding of the relationship between bean components, annotations, injections, and JNDI

Topic 2: Learn how to 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

Topic 3: 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

Topic 4: Understand about using 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

Topic 5: 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

Topic 6: Learn how to 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

Topic 7: 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

Topic 8: Implement REST Services using JAX-RS API

• Understand and Apply REST service conventions
• Create REST Services and clients using JAX-RS API

Topic 9: 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 

Topic 10: 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

Topic 11: 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

Topic 12: Use CDI Beans 

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

Topic 13: Use Concurrency API in Java EE 7 Applications

• Demonstrate understanding of Java Concurrency Utilities and use Managed Executors
  

Topic 14: Use Batch API in Java EE 7 Applications

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