Sun™ Certification Training Guide (310-080): Java™ 2 Enterprise Edition (J2EE™) Web Component Developer Exam

Chapter 4. Servlet Container Model

OBJECTIVES

This chapter covers the following objectives listed by Sun in “Section 1—The Servlet Model” and “Section 3—The Servlet Container Model.”

• 1.1 For each of the HTTP methods, GET, POST, and PUT, identify the corresponding method in the HttpServlet class.

• The HTTP methods GET, POST, and PUT are how browsers and Web servers communicate the purpose of communication. A GET simply wants to retrieve a page without providing much information. A POST, however, can package lots of form or file information with its request. A PUT is for uploading a file. The HttpServlet class has a corresponding method for each HTTP method, including doGet(), doPost(), and doPut().

• 1.2 For each of the HTTP methods, GET, POST, and