The following websites are relevant to or provide additional information on the topics discussed in this chapter:
Agile data (database refactoring and more) http://agiledata.org/
Apache Ant http://ant.apache.org/
Displaytag tag library http://displaytag.sourceforge.net/
JUnit Fixture Code http://junit.sourceforge.net/doc/cookbook/cookbook.htm
Hibernate http://hibernate.org/
JUnit testing framework http://junit.org
Martin Fowler's refactoring website http://refactoring.com/
Spring framework http://springframework.org/
Sun's Java website http://java.sun.com/