Internet Computing: Assignments & Quiz for Weeks 12-14, Pace Univ., Fall 2006 - Prof. Lixi, Assignments of Computer Science

Download Internet Computing: Assignments & Quiz for Weeks 12-14, Pace Univ., Fall 2006 - Prof. Lixi and more Assignments Computer Science in PDF only on Docsity! CRN:71995/72666/73088 Pace University Fall, 2006 CS644/IT632/CS397K: Internet Computing with Distributed Components The due day for all the tasks specified here is December 10, 2006. Tasks to be completed in Weeks 12 through 14 (11/20 – 12/10): 1. Read Chapter 9 of the textbook. Try out all projects covered in your reading. 2. Read Chapter 1 of J2EE Tutorial. 3. Assignment 4: Write a stateful session bean that takes one word at a time and appends it to the previous words received to make a sentence. Return the entire sentence each time a word is added (textbook exercise 2 on page 342). Due date is December 10. 4. Explore and study with Google search the concepts of the following design patterns: Observation Pattern, Proxy Patter, MVC pattern, Delegation Pattern (a good starting point is http://en.wikipedia.org/wiki/Category:Software_design_patterns). 5. From 9AM of December 8 to 10PM of December 10, take the 30-minute online Quiz 3 at Course Documents. There will be four multiple-choice questions on EJBs. 6. In course Discussion Board forum Week12-14, reply to each of the following questions: a. Why EJB-based application servers could deliver better performance for enterprise hosted applications? b. Are Web services going to replace EJB technology?