JEE

It's been some time since I used J2EE in class. Well it's called JEE nowadays. Today reviewed JEE tools.

Tutorials: 
- Spring Tutorial. (Took about 5 hours to finish, spreaded into 3 days)
- Hibernate Tutorial.
- Maven Tutorial. (Took half an hour to finish)
- Another Maven Tutorial.
- Oracle's JEE 5 tutorial

The environment is:
- OS: Windows XP
- Java: 1.60
- Ant: 1.7 (http://ant.apache.org/manual/index.html)
  [Need to setup environment variables ANT_HOME and Java_HOME]
- Apache Tomcat: 6.0.29 (http://tomcat.apache.org/download-60.cgi#6.0.29)
  Install as a service. (32-bit/64-bit Windows Service Installer). Use port 8080.
  Local site: http://localhost:8080
  Homepage root is: $CATALINA_HOME/webapps/ROOT/index.html
  $CATALINA_HOME is installation site of Tomcat.
- Spring: 2.5.0
  Most recent version is at http://www.springsource.org/download
  But I need version 2.5.0, which can be downloaded from 
  https://olex.openlogic.com/packages/spring
  This contains many other utilities. The most recent version package does not.
- Maven: 2.2.1. Obtained here. [Need to set up M2_HOME]
- Eclipse: Java EE IDE for web developers. (http://www.eclipse.org/downloads/)

A little note:
- Step 5.5 code for JdbcProductDaoTests.java should include the following two imports to function:
  import org.springframework.test.AbstractTransactionalDataSourceSpringContextTests;
  import springapp.domain.Product;
  Here the first imported class is in library spring-test.jar. 
  If eclipse can't find this then manually add it to properties->Java Build Path->Libraries.

Some concepts:
- SSH: Struts, Spring, Hibernate.
- EJB3.0+struts2+iBATIS
- jsp+Servlet+jdbc is the basics for all Java frameworks.
- jQuery: light-weighted javascript framework.
- Dojo, extjs: javascript frameworks. Used with JSF.
- SOA: Service Oriented Application
- Apache lucene: text search engine library written in Java
- Nutch: Open-source web-search software, built on Lucene Java.
- Webwork: Java web-application development framework.
- NoSQL
- Local search. e.g. foursquare

Some thoughts so far:
- A lot of work for simple application in Spring.
- JEE tools apply software engineering concepts, that may be the reason 
  it's said to be suitable for large web application development. On the 
  other hand this makes it heavy-weighted. Setup environment and getting 
  familiar with the tools cost lots of time. On this, .NET, PHP, ASP are
  easier to catch up.
- Eclipse eats big memory (over 200MB). 
- Maven is like Ant.