Java III

Tom Neuendorffer

Introduction

• The Goals

• The Instructor

• Java

• The Course

Goals

• Introduce Advanced Topics in Java

• Emphasis on– E-Commerce– Available Tools– Business Applications

• Appropriate Application of Technologies

Instructor

• CMU

• U. of Pittsburgh

• CMU – ITC

• Galt

• Claritech

• Evoxis

• Consulting

Java

• Language of choice

• Phenomenal set of tools

• Black hole

Course Overview

• Advanced Java Technologies

• Emphasis on E-Commerce Applications

• Project course– Project will be something you can show

perspective employers

Syllabus

• Week 1– Course Introduction– Servlets

• Week 2– Multi-Threading– Java Server Pages

• Week 3– Collections– Networking

• Week 4– JDBC

Syllabus (cont.)

• Week 5– Remote objects– Swing

• Week 6– Swing (cont.)– Java Beans

• Week 7– Java Beans (cont.)– Security

• Week 8– Student Presentations

Course Requirements

• Reading

• Quizzes

• Final Project– Combine several of the learned technologies

into a functional E-Commerce Application

Independent Work

• Interact with others

• Learn from each other

• Code must be your own– Well commented– Code from assignments can be used in the

final project

Required Technologies

• Tomcat

• MySQL / JDBC

Grading Policy

• 25% Quizzes

• 25% Assignments

• 50% Final Project

Final Project -Home Auction

• Homes for sale

• Data base contains photos and descriptions

• Goals– Let public view homes– Register bidders– Allow bidders to place bids– Allow seller to view status

Final Project – User Web App

• Any User access– View homes

• Photos• Descriptions• High Bid

– Search property by price range– Register to be a bidder

• Bidder Access– All above plus

• Place bid on property

Final Project – Seller App

• Web or direct connection to DB– If web, should use different technology then used above

• Ex, if above used Servlets and HTML, this should use JSPs and applets

– If not web, swing components should be used– In either event, reuse of back-end and middleware components

is encouraged

• View status of all properties– Including bidder info

• View status of all bidders• Extra Credit

– Ability to add new homes– Differentiate between seller and realtor

Getting Started

• Getting Tomcat/ MySQL etc.– http://hakata.mt.cs.cmu.edu/20-783/

Handouts/tools.html

Tomcat Documentation

• Programming in Tomcat– http://localhost:8080/tomcat-docs/appdev/

index.html

• Servlet Examples– http://localhost:8080/examples/servlets/

index.html

Servlet Documentation

• Tutorial– http://java.sun.com/docs/books/tutorial/

servlets/index.html

• Javadoc– http://java.sun.com/products/servlet/2.3/javad

oc/index.html

• Spec– http://java.sun.com/products/servlet/download

.html

Servlet – Key Classes

• HttpServlet

• HttpServletRequest

• HttpServletResponse

• HttpSession

HttpServlet

• Extended by user app

• doGet(HttpServletRequest request, HttpServletResponse response)

• doPost(HttpServletRequest request, HttpServletResponse response)

HttpServletRequest

• Contains info regarding the user request

HttpServletResponse

• Used to generate servlet response

HttpSession

• Used to store data that persists across multiple connections and page requests

Cookie

• Stores information regarding cookies

Reading Assignments

• Read Tomcat Docs• Review Tomcat Servlet/JSP examples• Review Sun Servlet tutorial (above)• Skim Sun’s Servlet docs (above)• Read Sun’s JSP tutorial

– http://developer.java.sun.com/developer/onlineTraining/JSPIntro/contents.html

• Read Chap 1 Multithreading– Core Java 2, Vol. 2

Programming Assignment

• Write a Servlet– Use http forms to provide info– Convert a perl script from a previous class– Include comments– Get running under Tomcat– Zip up directory and turn-in next week