Java 2 Web Developer Certification Study Guide with CD-ROM by Natalie Levi

By Natalie Levi

The sunlight qualified internet part Developer examination is predicted to realize speedy in reputation a result of powerful influence of Java 2 company version on the market. This learn consultant, aimed toward skilled Java programmers, covers all enterprise-level themes comprising the ambitions for the examination, together with servlets, exception dealing with, consultation administration, safety, JavaServer Pages (JSP), and growing customized tags. It comprises all of the new positive factors of the market-leading learn courses, together with examination necessities sections to augment key ideas and real-world state of affairs sidebars with functional programming assignments. The significant other CD-ROM has an review try, bonus perform checks, the chapter-ending assessment questions, and a completely searchable digital variation of the booklet. the writer, Natalie Levi, is a sunlight qualified teacher and runs a tutorial checking out carrier. this is often the best follow-up booklet to Sybex's best-selling whole Java 2 Certification research consultant.

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Here is an example of the code and resulting image: The NAME is simply a way to identify the data accessed from this control, while its VALUE pre-fills the text field. If the VALUE attribute is excluded, the text field would be empty. The visual width or SIZE of this text field is 20 characters wide, yet the user’s name cannot be greater than 30 characters, given the MAXLENGTH specification. INPUT TYPE = ‘password’ In an HTML form, the type password creates a password GUI component that alters the entered characters to hide their true value.

E. Cookies are data objects written to the response object and stored on the browser. They can be retrieved by using the request object. Cookies can also be added as an attribute to the session object or written to a database. A session object acts like a storage unit. It can contain data from cookies or URL rewriting. URL rewriting is a way to store the session ID. The ID can then be linked to any resource that allows data to be stored. Finally, hidden values can be accessed via the request object.

Security B. security-config C. security-constraint D. com xliv Assessment Test 41. In which of the following classes will you find the sendError() method? A. HttpServletRequest B. HttpServletResponse C. ServletContext D. ServletResponse 42. Which of the following is a legal exception-type description? A. ServletException B. ServletException C. UnavailableException D. UnavailableException 43. Which of the following methods is invoked when an HTTP PUT request is made? A. doGet(…) B. doPost(…) C. doPut(…) D.

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