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Exam Notes for the Sun Certified Web Component Developer (SCWCD) Exam

Section 11: Designing and Developing JSPs Using Custom Tags

11.1 Identify properly formatted tag library declarations in the Web application deployment descriptor.

taglib*, <!ELEMENT taglib (taglib-uri, taglib-location)>

<web-app>

<taglib>

<taglib-uri> http://www.jspinsider.com/jspkit/javascript </taglib-uri>

<taglib-location> /WEB-INF/JavaScriptExampleTag.tld </traglib-location> </taglib>

</web-app>

11.2 Identify properly formatted taglib directives in a JSP page.

<%@ taglib uri=”http://jakarta.apache.org/taglibs/datetime-1.0” prefix=”dt” %>

-          uri can be defined in web.xml or can be directly pointing to the TLD.

-          prefix is used in the jsp to reference the tag. ( local namespace)

11.3 Given a custom tag library, identify properly formatted custom tag usage in a JSP page. Uses include:

• An empty custom tag  - <msgBean:message/>

• A custom tag with attributes  - <msgBean:message attrName=”value” />

• A custom tag that surrounds other JSP code

<msgBean:message> <h1>This is the title</h1> </msgBean>

• Nested custom tags

<msgBean:message> <helloBean:sayHello/> </msgBean>