November 2002
Intermediate to advanced
544 pages
11h 10m
English
book
Sun™ Certification Training Guide (310-080): Java™ 2 Enterprise Edition (J2EE™) Web Component Developer Exam
by Alain Trottier
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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, andPUT, identify the corresponding method in theHttpServletclass.
The HTTP methods
GET,POST, andPUTare how browsers and Web servers communicate the purpose of communication. AGETsimply wants to retrieve a page without providing much information. APOST, however, can package lots of form or file information with its request. APUTis for uploading a file. TheHttpServletclass has a corresponding method for each HTTP method, includingdoGet(),doPost(), anddoPut().
1.2 For each of the HTTP methods,
GET,POST, and
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