Dr. Javier Gonzalez-Sanchez
javiergs@calpoly.edu
www.javiergs.info
o
ffi
ce: 14 -227
CSC 307
Introduction to Software Engineering
Lecture 05. Software Design
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Homework
1. Due today: Paint-App
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Homework
2. Due today: Game-of-Life
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Previously
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Tools
We need a Tool
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Task Board
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Software Design
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Activities
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Software Design
De
f
inition
To cre
a
te
a
speci
f
ic
a
tion
of
a
softw
a
re (solution)
Gr
a
phic
a
l
Abstr
a
ct
Description
(blueprint)
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model
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Whiteboard
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Design
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VS
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Error Smells
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Structural models
Structur
a
l models of softw
a
re displ
a
y the org
a
niz
a
tion of
a
system in terms of
a
) the p
a
rts (items, elements, components) th
a
t m
a
ke up th
a
t system
a
nd
b) their rel
a
tionships.
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UML Diagrams
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Class diagram
Cl
a
ss di
a
gr
a
ms show the cl
a
sses in
a
system
• modi
f
iers
• Attributes
• methods
And the rel
a
tionships between these cl
a
sses:
• Associ
a
tion / Dependency
• Aggreg
a
tion / Composition
• Gener
a
liz
a
tion / Speci
a
liz
a
tion / Re
a
liz
a
tion
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Relationships
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Association Directed
Association
Reflexive
Association
Multiplicity
Aggregation Composition Generalization Realization
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Let’s Work
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Examples
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Thoughts?
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Thoughts?
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Thoughts?
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CSC3100/Cloud-Services
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Your Code
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Questions
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Lab 05. UML Class Diagrams
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Lab
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Draft the Class Diagram for
___________________.
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Problem
public class B implements E {
public B() {
C c1 = new C();
}
public void method() {
B b = new B();
b.sleep();
}
}
public class Y {
A [] a = new A[5];
}
public class A extends B {
C c1, c2;
public A() {
c1 = new C();
}
public void method() {
D d = new D();
d.working();
}
}
public class X {
public void m() {
B var = new A();
double x – Math.sqrt(5);
}
}
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Homework
1. Due today: Paint-App
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Homework
2. Due today: Game-of-Life
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CSC 307 Introduction to Software Engineering
Javier Gonzalez-Sanchez, Ph.D.
javiergs@calpoly.edu
Summer 2024
Copyright. These slides can only be used as study material for the class CSC307 at Cal Poly.
They cannot be distributed or used for another purpose.