Java EE 7: Front-end Web Application Development

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Java EE 7: Front-end Web Application Development

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What You Will Learn

This Java EE 7: Front-end Web Application Development training helps you explore building and deploying enterprise applications that comply with the Java Platform, Enterprise Edition 7 Web Profile. Expert Oracle University instructors will help you explore annotations, Session Enterprise JavaBeans (EJB-Lite), Java Persistence API (JPA), servlets, JavaServer Pages(JSPs), Contexts and Dependency Injection (CDI), JAX-RS RESTful web services, the Java API for WebSocket and the Java API for JSON processing.

Learn To:

Develop web-based interfaces for both desktop and mobile devices.
Assemble an application.
Build Java applications.
Deploy an application into an application server (Java EE platform runtime environment).

Benefits to You

By taking this course, you'll gain hands-on experience building Java EE web applications. You will get the chance to create web-based user interfaces using HTML5 and JavaScript along with JSPs and servlets. Web-based user interfaces will use AJAX to communicate with RESTful web services you create; data will persist using JPA and optimistic locking.

Participate in Hands-On Labs

By learning through hands-on exercises via structured labs, you'll get a chance to explore EJB-Lite session bean components, which can be used with container-managed transactions. You'll perform lab exercises using the NetBeans IDE and WebLogic Server.

Course Objectives

Create and use Java annotations
Select the correct Java EE Profile for a given application
Develop and run an EJB technology application
Create Java EE technology applications with the Java EE 7 Platform
Identify the services provided by an Application Server
Package, deploy and debug enterprise applications
Create web-based user interfaces using Servlet, JSP, JAX-RS, and JavaScript technologies
Access relational databases using the Java Persistence API
Create scalable, transacted business logic with EJB-Lite
Develop basic Java Persistence API entity classes to enable database access
Develop a web-based user interface using Servlets, JSPs, and JAX-RS
Design applications to use dependency injection
Use IDEs and Application Servers for Java EE development

Course Topics

Java Platform, Enterprise Edition

The Java EE Platform
The needs of enterprise application developers
Java EE specifications
A comparison of services and libraries
The Java EE Web Profile
Java EE application tiers and layers

Enterprise Development Tools and Applications

The purpose of an application server
Starting and stopping WebLogic Server
Properties of Java EE components
The development process of a Java EE application
Configuring and packaging Java EE applications

JavaBeans, Annotations, and Logging

Java SE features used in Java EE applications
Creating POJO JavaBeans components
Using Logging
Using Common Java Annotations
Develop custom annotations
The role of annotations in Java EE applications

Java EE Web Architecture

The HTTP request-response model
Differences between Java Servlets, JSP, and JSF components
Application layering and the MVC pattern
Avoiding thread safety issues in web components
Use the Expression Language

Developing Servlets

The Servlet API
Request and response APIs
Set response headers
Two approaches to creating a response body
Uploading files using a servlet
Forwarding control and passing data
Using the session management API

Developing with JavaServer Pages

The role of JSP as a presentation mechanism
Authoring JSP view pages
Processing data from servlets in a JSP page
Using tag libraries

JAX-RS Web Services

The need for web services
Designing a RESTful web service
Create methods that follow the prescribed rules of HTTP method behavior
Create JAX-RS resource and application classes
Consume query and other parameter types
Produce and consume complex data in the form of XML
HTTP status codes

Java RESTful Clients

Pre-JAX-RS 2 Clients: HttpUrlConnection and the Jersey Client API
The JAX-RS 2 Client API

HTML5 Applications with JavaScript and AJAX

HTML DOM manipulation with JavaScript
RESTful clients with JavaScript (AJAX)
Limitations of JavaScript clients
The Same-Origin policy and CORS

WebSocket and the Java API for JSO Processing

Web Service Limitations
WebSocket Explained
Creating WebSockets with Java
Client-side WebSokect with JavaScript
Client-side WebSocket with Java
Consuming JSON with Java
Producing JSON with Java

Implementing a Security Policy

Container-managed security
User roles and responsibilities
Create a role-based security policy
The security API

POJO and EJB-Lite Component Models

The role of EJB components in Java EE applications
The benefits of EJB components
Operational characteristics of stateless and stateful session beans
Creating session beans
Creating session bean clients

The Java Persistence API

The role of the Java Persistence API in Java EE applications
Basics of Object-relational mapping
The elements and environment of an entity component
The life cycle and operational characteristics of entity components

Implementing a transaction policy

Transaction semantics
Programmatic vs. declarative transaction scoping
Using JTA to scope transactions programmatically
Implementing a container-managed transaction policy
Optimistic locking with the versioning of entity components
Pessimistic locking using EntityManager APIs
The effect of exceptions on transaction state

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