Don't reinvent the wheel. Design pattern is a collection of well tested solution of common problem in context of software engineering.

1. LIGHTS WILL GUIDE YOU
DESIGN PATTERN
Samuel Dicksy @ 2017

2. AGENDA
Common Problems
Design Pattern History
What is Design Pattern
Why Design Pattern
Classification of Design Pattern
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COMMON PROBLEMS
The bigger a software
is built the more
complex the source
codes

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COMMON PROBLEMS

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COMMON PROBLEMS
A bad design can lead
us to be Spaghetti
Code

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DESIGN PATTERN HISTORY
1977 1994
1987
Architectural Concept
A Pattern Language
Design Pattern by GOF

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WHAT IS DESIGN PATTERN
Give it a name
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WHAT IS DESIGN PATTERN
Give it a name

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WHAT IS SOFTWARE DESIGN PATTERN
a software design pattern is a general
reusable solution to a commonly occurring
problem within a given context in software
design
https://en.wikipedia.org/wiki/Software_design_pattern
Software Design Pattern is a collection of named
solutions for common problems in the context of
software engineering

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WHY DESIGN PATTERN
Don’t reinvent the wheel.

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WHY DESIGN PATTERN
Patterns are accumulations of experience
Thus reducing the technical risks
Design Pattern is well tested
Common Vocabulary
Thus making communication more efficient
http://janjiss.com/3-reasons-why-design-patterns-matter/
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CLASSIFICATION OF DESIGN PATTERN
Structural Pattern
How to build relationship between entity (Adapter, Bridge,
Decorator, etc)
Creational Pattern
Deal with object creational (Singleton, Factory, Lazy, etc)
Behavioral Pattern
Communication between objects (Observer, Iterator, Chain
of Responsibility, etc)
Architectural Pattern
High level pattern (MVC, n-tier, client-server, peer-to-peer, etc)
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