Appendix C. XML Schemabased configuration

First up is coverage of the util tags. As the name
implies, the util tags deal with common, utility
configuration issues, such as configuring collections, referencing constants,
and suchlike.

To use the tags in the util schema, you need to have
the following preamble at the top of your Spring XML configuration file;
the bold text in the snippet below references the correct schema so that
the tags in the util namespace are available to you.

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">
<!-- <bean/> definitions here -->
</beans>