Java 2 Web developer certification study guide by Natalie Levi

By Natalie Levi

The solar qualified net part Developer examination is predicted to realize quick in reputation as a result robust influence of Java 2 company version available to buy. This learn consultant, geared toward skilled Java programmers, covers all enterprise-level subject matters comprising the targets for the examination, together with servlets, exception dealing with, consultation administration, protection, JavaServer Pages (JSP), and growing customized tags. It comprises all of the new positive aspects of the market-leading learn courses, together with examination necessities sections to enhance key techniques and real-world state of affairs sidebars with useful programming assignments. The significant other CD-ROM has an evaluate try out, bonus perform checks, the chapter-ending evaluate questions, and an absolutely searchable digital variation of the publication. the writer, Natalie Levi, is a sunlight qualified teacher and runs a tutorial checking out carrier. this is often the fitting follow-up booklet to Sybex's best-selling whole Java 2 Certification learn consultant.

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Example text

The last option is incorrect because since the filter-mapping tag is used to identify which files or objects the filter will be performed on. 1 For each of the HTTP methods, GET, POST, and PUT, identify the corresponding method in the HttpServlet class. 2 For each of the HTTP methods, GET, POST, and HEAD, identify triggers that might cause a browser to use the method, and identify benefits or functionality of the method. com B efore you can understand HTTP methods, it is important that you have a general overview of the J2EE architecture.

Six implicit objects have a page scope. They are config, response, pageContext, out, page, and exception. After these variables exit the current page, a new instance is used. 61. B. The scope attribute is actually used with the jsp:useBean action to define the bean’s availability. 62. C. The first option fails because the page directive is used to define attributes for the entire JSP page, rather than to include a component in the page. The second option is invalid because the include directive is used for static files.

Example 1: The first example creates a default button. ” Example 2: By including the VALUE attribute, we can now customize the label on our submit button, as shown here. Example 3: The NAME attribute serves two purposes. It gives us a handle to the component, and it captures the name/value pair btnOrder=Order to include in the data being sent to the server via a request object. ) The following is the resulting image.

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