The Patterns course provides students with a thorough description of software design patterns that can be used with the Java Platform, Enterprise Edition (Java EE platform) technology to effectively solve complex business problems. Studying design patterns, such as the patterns presented in this course, assists developers in learning tried and proven techniques for solving specific types of common design problems. The design patterns described in this course help developers design enterprise applications that are more flexible, maintainable, reliable, and efficient. This course describes the Java EE patterns, which were created by the Professional Services organization and the Java EE Blueprints group of Sun Microsystems, Inc. These patterns are based on these groups' many years of experience with a wide range of enterprise applications. Development teams can leverage this industry experience and avoid many costly and time-consuming project roadblocks by understanding and implementing these patterns. This course also describes many of the Gang of Four object-oriented design patterns that provide the basis for the Java EE patterns and also provide the basis for good object-oriented design. Understanding these patterns is critical to the effective use of the Java EE patterns and valuable in the design of any object-oriented system. Students learn how to create effective software designs for Java EE technology applications through a series of lectures and exercises.

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Students who can benefit from this course include individuals responsible for the design of distributed software applications. This includes: Java technology programmers Java EE software developers Enterprise architects

To succeed fully in this course, students must be able to:

• Develop enterprise Java applications
• Read and work with Object-Oriented modeling techniques, such as the Unified Markup Language (UML)
• Explain the use of technologies within the Java EE platform
• Work with the following Java technologies:
• Enterprise JavaBeans, JavaServer Pages, and servlets

Upon completion of this course, students should be able to:

• Select an appropriate Gang of Four or Java EE pattern to solve a specific problem.
• Apply a Gang of Four or Java EE pattern to an architecture and implementation.
• Design and implement more effective Java EE applications.

Module 1 - Exploring Object-Oriented Design Principles and Design Patterns

• Describe the fundamental object-oriented design concepts
• Describe the fundamental object-oriented design principles
• Describe the characteristics of design patterns

• Describe the basic characteristics of the Behavioral patterns
• Apply the Strategy pattern
• Apply the Command pattern
• Apply the Iterator pattern
• Apply the Observer pattern

• Describe the basic characteristics of the Creational patterns
• Apply the Factory Method pattern
• Apply the Abstract Factory pattern
• Apply the Singleton pattern

• Describe the basic characteristics of the Structural patterns
• Apply the Facade pattern
• Apply the Proxy pattern
• Apply the Adapter pattern
• Apply the Composite pattern
• Apply the Decorator pattern

• Compare architectural patterns to design patterns
• Apply the Model View Controller pattern
• Apply the Layers pattern
• Explain tiers and layers in Java EE platform applications

• Describe the Java EE pattern philosophy
• Describe the Java EE patterns and tiers in the Java EE pattern catalog

• List the features and purpose of the Integration Tier patterns
• Apply the Service Activator pattern
• Apply the Data Access Object (DAO) pattern
• Apply the Domain Store pattern
• Apply the Web Service Broker pattern

• Describe basic characteristics of the business tier Java EE patterns that facilitate communication with the presentation tier
• Apply the Service Locator pattern
• Apply the Session Facade pattern
• Apply the Business Delegate pattern
• Apply the Transfer Object pattern

• Describe the basic characteristics of the Intra-Business Tier patterns
• Apply the Application Service pattern
• Apply the Business Object pattern
• Apply the Transfer Object Assembler pattern
• Apply the Composite Entity pattern
• Apply the Value List Handler pattern

• Describe basic characteristics of the Presentation Tier Java EE patterns
• Describe the Model 2 Architecture and the Apache Struts Framework
• Apply the Intercepting Filter pattern
• Apply the Front Controller pattern
• Apply the Application Controller pattern
• Apply the Context Object pattern

• Apply the View Helper pattern
• Apply the Composite View pattern
• Apply the Dispatcher View pattern
• Apply the Service to Worker pattern

• Define AntiPatterns
• Describe Integration Tier AntiPatterns
• Describe Business Tier AntiPatterns
• Describe Presentation Tier AntiPatterns

• Describe the Java EE BluePrints design guidelines
• Describe the Java Pet Store demo software
• Describe the Java EE patterns used in the Java Pet Store demo software