CSC307 Lecture 07

Introduction to Software Engineering
Clean Coding
(202307)

Transcript

1. jgs CSC 307 Introduction to Software Engineering Lecture 07: Clean Coding Dr. Javier Gonzalez-Sanchez javiergs@calpoly.edu www.javiergs.com Building 14 -227 Office Hours: By appointment
2. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 2 § Modeling or Design § Construction or Coding Activities
3. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 3 Java API + Tutorials
4. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 4 Key Ideas DRY KIS Readable (comments, names, spaces,…)
5. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 5 Whiteboard
6. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 6 Relationships Association Directed Association Reflexive Association Multiplicity Aggregation Composition Generalization Realization
7. jgs GUI in Java Swing and AWT Libraries
8. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 8 import javax.swing.*; public class Example extends JFrame{ public static void main(String[] args) { Example frame = new Example(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(500,500); frame.setVisible(true); } } Method main()
9. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 9 import javax.swing.*; public class Example extends JFrame{ public Example() { super("Hello World Swing"); GridLayout layout = new GridLayout(3,2); setLayout(layout); JLabel label = new JLabel("Hello World"); add(label); JButton button = new JButton("Click Me"); add(button); JTextField text = new JTextField("Text", 10); add(text); JCheckBox check = new JCheckBox("Option"); add(check); } public static void main(String[] args) { Example frame = new Example(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(500,500); frame.setVisible(true); } } Layouts
10. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 10 import javax.swing.*; public class Example extends JFrame{ public Example() { super("Hello World Swing"); BorderLayout layout = new BorderLayout(); setLayout(layout); JLabel label = new JLabel("Hello World"); add(label, BorderLayout.CENTER); JButton button = new JButton("Click Me"); add(button , BorderLayout.SOUTH); JTextField text = new JTextField("Text", 10); add(text , BorderLayout.NORTH); JCheckBox check = new JCheckBox("Option"); add(check , BorderLayout.EAST); } public static void main(String[] args) { Example frame = new Example(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(500,500); frame.setVisible(true); } } Layouts
11. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 11 JPanel 2
12. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 12 Pseudo Calculator
13. jgs More About GUI Drawing in a Panel
14. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 14 Extending JPanel
15. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 15 Extending JPanel
16. jgs Connecting the Dots
17. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 17 Step 1
18. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 18 Step 2
19. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 19 Step 3. Undo
20. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 20 Step 4. Erase
21. jgs Let’s Do This Events and Listeners
22. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 22 Release 1. GUI
24. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 24 Release 2. Action Listeners
26. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 26 Release 3. Draw Area
29. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 29 Release 4. Mouse Listeners
31. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 31 § 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
32. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 32 § public void mouseDragged(MouseEvent me) { } § public void mouseMoved(MouseEvent e) { } MouseMotionListener
33. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 33 Release 5. Draw + Mouse
35. jgs One Last Thing Drag and Drop
36. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 36 Demo
37. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 37 Main.java
38. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 38 Workspace.java (part 1 / 2)
39. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 39 Workspace.java (part 2 / 2)
40. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 40 City.java (part 1 / 2)
41. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 41 City.java (part 2 /2)
42. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 42 Let’s Work
43. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 43 Questions
44. jgs Javier Gonzalez-Sanchez | CSC 308 | Winter 2023 | 44 Office Hours Tuesday and Thursday 3 - 5 pm But an appointment required Sent me an email – javiergs@calpoly.edu
45. jgs CSC 307 Introduction to Software Engineering Javier Gonzalez-Sanchez, Ph.D. javiergs@calpoly.edu 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.