CSC307 Lecture 08

jgs CSC 307 Introduction to Software Engineering Lecture 08: Software
Design Dr. Javier Gonzalez-Sanchez [email protected] www.javiergs.com Building 14 -227 Office Hours: By appointment

jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 |
3 Assignment 01

4 Assignment 01 https://blockly-spiderworld.sourceforge.io/appengine/spider.html

jgs Test Yourselves Class Diagrams

6 Can you do this?

7 What do you think about this?

8

9 Create the Class Diagram

10

11 Create the Class Diagram

jgs Previously …

13 § Modeling or Design § Construction or Coding Activities

14 Relationships Association Directed Association Reflexive Association Multiplicity Aggregation Composition Generalization Realization

jgs Let’s Do This Events and Listeners

16 Release 1. GUI

18 Release 2. Action Listeners

20 Release 3. Draw Area

23 Release 4. Mouse Listeners

25 § public void mousePressed (MouseEvent e) {} § public void mouseClicked(MouseEvent e) { } § public void mouseReleased(MouseEvent e) { } § public void mouseEntered(MouseEvent e) { } § public void mouseExited(MouseEvent e) { } § public void mouseDragged(MouseEvent me) { } § public void mouseMoved(MouseEvent e) { } MouseListener

26 § public void mouseDragged(MouseEvent me) { } § public void mouseMoved(MouseEvent e) { } MouseMotionListener

27 Release 5. Draw + Mouse

29 Questions

30 Office Hours Tuesday and Thursday 3 - 5 pm But an appointment required Sent me an email – [email protected]

31 § https://github.com/javiergs/GAME/blob/main/paint/src/DrawArea.java

jgs CSC 307 Introduction to Software Engineering Lab 07: Pair
Programming Dr. Javier Gonzalez-Sanchez [email protected] www.javiergs.com Building 14 -227 Office Hours: By appointment

jgs Pair Programming Reference: On Pair Programming by Martin Fowler
(Agile, Architecture, Refactoring) https://martinfowler.com/articles/on-pair-programming.html

35 § Best programs and designs are done in pairs because you can criticize each other, find each other’s errors, and use the best ideas. - Jean Bartik (one of the very first programmers) § Write all production programs with two people sitting at one machine. - Kent Beck (Agile, JUnit) Pair Programming

36 § The process starts with the developers receiving a well-defined task. § They agree on one small goal at a time. § They take turns to code or review each other's work. § Rotating roles regularly helps keep both developers alert and engaged. § Enable senior developers to share their knowledge and working habits § Help new team members get up to speed on a project. Process

37 § Driver (the person on the keyboard). Focused on completing the tiny goal at hand, ignoring larger issues for the moment. A driver should always talk through what they are doing while doing it. § Navigator (the person observing). They review the code on the go, gives directions, and shares thoughts. They have an eye on the larger issues, and bugs, and make notes of potential next steps or obstacles. They are in control of the strategic or architectural elements. As a navigator, leave the details of the coding to the driver – your job is to take a step back and complement the driver’s tactical mode with medium-term thinking. Roles

38 • Equally engaging pairs. If both developers do not equally engage in the project, then there is less chance that knowledge will be shared • Social and interactive process. It is hard for those who work better alone. Problem

39 Think about this 1. Select your pair 2. Understand the task (described before) 3. Chose and set up your environment 4. Be ready to work

40 App

41 Let’s Work

jgs CSC 307 Introduction to Software Engineering Javier Gonzalez-Sanchez, Ph.D.
[email protected] Summer 2023 Copyright. These slides can only be used as study material for the class CSC308 at Cal Poly. They cannot be distributed or used for another purpose.

CSC307 Lecture 08

CSC307 Lecture 08

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