Dr. Javier Gonzalez-Sanchez
javiergs@calpoly.edu
www.javiergs.info
o
ffi
ce: 14 -227
CSC 307
Introduction to Software Engineering
Lecture 09. Dependency Management
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Previously
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GoF Patterns
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Application
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Dependencies
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Library
• A collection of resources (cl
a
sses)
• A J
a
v
a
Archive, or JAR
f
ile, cont
a
ins
a
ll of the v
a
rious components th
a
t m
a
ke up
a
self-
cont
a
ined, execut
a
ble J
a
v
a a
pplic
a
tion or, most commonly,
a
J
a
v
a
libr
a
ry to which
a
J
a
v
a
Runtime Environment c
a
n link.
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jar-download.com
7
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• Build m
a
n
a
gement tool
• M
a
ven
a
utom
a
tes dependency m
a
n
a
gement by
a
utom
a
tic
a
lly downlo
a
ding
required libr
a
ries
a
nd their dependencies, ensuring consistent builds with speci
f
ied
versions.
• In contr
a
st, m
a
nu
a
lly downlo
a
ding JARs is l
a
bor-intensive
a
nd error-prone.
8
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• The project object model (POM)
f
ile describes
a
project
a
nd its dependencies.
• A st
a
nd
a
rdized directory form
a
t.
• Repositories where third-p
a
rty softw
a
re is stored
a
nd discovered.
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Create a project with Maven support
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Or Add Framework Support
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Do one of these
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Or Add Framework Support
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Maven File and Directories
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POM.xml
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Maven Repository
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Adding a New Dependency
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Right-Click POM.xml
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Jsoup
Java HTML Parser
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Jsoup
• A J
a
v
a
libr
a
ry th
a
t simpli
f
ies working with HTML
a
nd XML.
• O
ff
ers URL fetching, d
a
t
a
p
a
rsing, extr
a
ction,
a
nd m
a
nipul
a
tion.
• https://jsoup.org/
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Another appearance of the
Factory Pattern
Pattern
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Weka
Machine Learning
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Weka
• Wek
a
is
a
collection of m
a
chine le
a
rning
a
nd d
a
t
a a
n
a
lysis
• W
a
ik
a
to Environment for Knowledge An
a
lysis (Wek
a
)
• developed
a
t the University of W
a
ik
a
to, New Ze
a
l
a
nd
• https://ml.cms.w
a
ik
a
to.
a
c.nz/wek
a
•
40
115,475 Towns and Cities in the United States
July, 2012
https://www.math.uwaterloo.ca/tsp/data/usa/index.html
A dataset
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JDBC
SQL Database
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MariaDB
• Open-source
a
nd cre
a
ted by MySQL origin
a
l developers
• https://m
a
ri
a
db.com/downlo
a
ds/
• For M
a
c, you c
a
n use the Homebrew p
a
ck
a
ge m
a
n
a
ger:
> brew install mariadb
> mysql.server start
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Key Idea
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⚙
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www.freesqldatabase.com
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www.freesqldatabase.com
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Create Tables
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CREATE TABLE database.students (
ID INT NOT NULL,
user VARCHAR(8) NOT NULL ,
password VARCHAR(8) NOT NULL
)
INSERT
INTO students (ID, user, password)
VALUES (1, "javiergs", "qwerty")
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Dependencies
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Connection
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SQL Statements
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Questions
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Lab 09. Maven
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Review this curated list of
Java libraries:
https://github.com/akullpp/awesome-java
Lab
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Select one - none from today’s lecture.
Create something Awesome!
Lab
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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.