What is a Pattern? Patterns are a software engineering problem-solving discipline that emerged from the object-oriented community GoF Design Patterns The GoF described patterns as “a solution to a problem in a context.” These three elements—problem, solution, and context—are the essence of a pattern. GoF Creational Design Patterns Creational design patterns are concerned with the… Read More GoF / J2EE Design Patterns
· Adobe Flex is an open source framework that runs in Adobe Flash Player to create RIAs. · It combines the functionality of desktop applications with the availability of web applications. · Flex, as a framework, extends the regular Flash application programming interface (API) to provide the benefits of Flash components integrated with Flex. · … Read More Adobe Flex
● SessionFactory object is Dependency-Injected ● HibernateTemplate class is provided Setting up Hibernate SesssionFactory DataSource Setup Through DI product.hbm.xml hibernate.dialect=org.hibernate.dialect.HSQLDialect HibernateTemplate ● Helper class that simplifies Hibernate data access code ● Automatically converts HibernateExceptions into DataAccessExceptions, following the org.springframework.dao exception hierarchy ● The central method is execute, supporting Hibernate access code implementing the HibernateCallback interface.… Read More Spring & Hibernate Integration
Steps for Starting the database and populating the tables Step 1: Start the database ● 3 Different options – At the command line – Through an IDE – As windows service (Not all databases support this) ● Derby within the IDE – From NetBeans, select Tools->Java DB Database- >Start Java DB Server ● HSQLDB at… Read More Step By Step Guideline for Building & Running “HelloWorld” Hibernate Application
(lets face it you use soap to wash, and you rest when your tired) What is REST? REST is an architectural style which is based on web-standards and the HTTP protocol. REST was first described by Roy Fielding in 2000. In a REST based architecture everything is a resource. A resource is accessed via a… Read More SOAP Web Services vs REST Web services
What is GWT? • Java software development framework that makes writing AJAX applications easy • Let you develop and debug AJAX applications in the Java language using the Java development tools of your choice > NetBeans or Eclipse • Provides Java-to-JavaScript compiler and a special web browser that helps you debug your GWT applications >… Read More Google Web Toolkit (GWT) Basics
Suresh Sekar's Architecture Introspection 