SCWCD CX310-082 Short Notes: Exam passing tips

The Servlet Technology Model The getWriter() method of the ServletResponse interface returns a PrintWriter object suitable for writing character data in the response. The setValue() method of the Cookie class is used to assign a new value to a cookie after the cookie is created. A......
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Skills required for Sun test CX310-082

Sun has specified more than 20 objectives for Sun test CX310-082 (Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.4 Upgrade Exam). These objectives are grouped under 11 topics. Before taking the test, an individual should possess a good command over the......
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Things to practice for Sun test CX310-082

The CX310-082 (Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.4 Upgrade Exam) test checks your ability to use the basic syntax and structure of the Servlet and JSP pages. This test requires you to have a good understanding of Java, Servlets, and JSP pages, and......
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JSTL Core Library

JSP Standard Tag Library (JSTL) is an extension of the JSP language. It includes various operations needed in almost all JSP pages, such as internationalization, conditional processing, XML parsing, making a database connection, etc. The important tags in the JSTL core library are as......
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How can an existing session be invalidated?

An existing session can be invalidated in the following two ways: Setting timeout in the deployment descriptor : This can be done by specifying timeout between the <session-timeout> tags as follows: <session-config>......
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How is a filter configured in the deployment descriptor?

A filter is configured in the deployment descriptor as follows: <filter>        <filter-name>Filter1</filter-name>        <display-name>filter1</display-name>    ......
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How is an El initialization parameter configured in the deployment descriptor?

An El initialization parameter initParam is configured in the deployment descriptor as follows: <context-param>    <param-name>parameterName</param-name>    <param-value>parameterValue</param-value> </context-param>......
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How is scripting disabled?

Scripting is disabled by setting the scripting-invalid element of the deployment descriptor to true. It is a subelement of jsp-property-group. Its valid values are true and false. The syntax for disabling scripting is as follows: <jsp-property-group>......
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How is the expression language disabled?

By default, the expression language is enabled. It can be disabled using the deployment descriptor web.xml file as follows: <jsp-config>    <jsp-property-group>       <url-pattern>*.jsp</url-pattern>......
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What are JSP declarations?

JSP declarations are used to declare class variables and methods in a JSP page. They are initialized when the class is initialized. Anything defined in a declaration is available for the whole JSP page, i.e., they have page scope. A declaration block is enclosed between the <%! and %> tags.......
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