SlideShare uma empresa Scribd logo
1 de 13
Design Pattern D ESIGN P ATTERN
Design Pattern Outline What is ? Why Design Pattern? Pattern In Action Observer Pattern SingleTon Pattern Classification Feedback
Design Pattern What is DP General  * Reusable *  solution to  Commonly Occurring problem (Experience Reuse Rather Code Reuse) Description or Template for how to  Solve A  * Common Problem *
Design Pattern Learn DP There are around 50(!)s of DPs  Already done for you.  So, We Won’t  ** REINVENT THE WHEEL **
Design Pattern DP There are around 50(!)s of DPs  Already done for you.  So, We Won’t  ** REINVENT THE WHEEL **
Design Pattern Pattern In action Google Alert / RSS Feed What Happens?
Design Pattern Pattern In action Google Alert / RSS Feed What Happens? 1. New user can subscribe any time
Design Pattern Pattern In action Google Alert / RSS Feed ,[object Object],[object Object],[object Object]
Design Pattern Pattern In action Google Alert / RSS Feed ,[object Object],[object Object],[object Object]
Design Pattern Pattern In action Google Alert / RSS Feed ,[object Object],[object Object],[object Object]
Design Pattern Pattern In action Google Alert / RSS Feed ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Design Pattern Pattern In action Google Alert / RSS Feed ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Design Pattern Pattern In action Solution is The OBSERVER PATTERN

Mais conteúdo relacionado

Semelhante a Design pattern

Running Effective Design Sprints
Running Effective Design SprintsRunning Effective Design Sprints
Running Effective Design SprintsAnshumani Ruddra
 
Why You Need Someone Like me on Your Project
Why You Need Someone Like me on Your ProjectWhy You Need Someone Like me on Your Project
Why You Need Someone Like me on Your ProjectÉtienne Garbugli
 
Frug'Agile 2021: Agile as doctrine (and that's a good thing)
Frug'Agile 2021: Agile as doctrine (and that's a good thing)Frug'Agile 2021: Agile as doctrine (and that's a good thing)
Frug'Agile 2021: Agile as doctrine (and that's a good thing)Jason Yip
 
DDD/CQRS - I must learn to repeat myself
DDD/CQRS - I must learn to repeat myselfDDD/CQRS - I must learn to repeat myself
DDD/CQRS - I must learn to repeat myselfDouglas Reith
 
趨勢科技案例分享 - 與專家一起共舞 Design Sprint
趨勢科技案例分享 - 與專家一起共舞 Design Sprint趨勢科技案例分享 - 與專家一起共舞 Design Sprint
趨勢科技案例分享 - 與專家一起共舞 Design SprintJuggernaut Liu
 
How do you know your Solution will make an Impact? - Björn Brynjar Jonsson
How do you know your Solution will make an Impact? - Björn Brynjar JonssonHow do you know your Solution will make an Impact? - Björn Brynjar Jonsson
How do you know your Solution will make an Impact? - Björn Brynjar JonssonJAXLondon2014
 
Coaching teams in creative problem solving
Coaching teams in creative problem solvingCoaching teams in creative problem solving
Coaching teams in creative problem solvingFlowa Oy
 
Retrospective Anti-Patterns by Aino Corry at #AgileIndia2019
Retrospective Anti-Patterns by Aino Corry at #AgileIndia2019Retrospective Anti-Patterns by Aino Corry at #AgileIndia2019
Retrospective Anti-Patterns by Aino Corry at #AgileIndia2019Agile Software Community of India
 
Slide_Egg-11183-Free PowerPoint Presentation.pptx
Slide_Egg-11183-Free PowerPoint Presentation.pptxSlide_Egg-11183-Free PowerPoint Presentation.pptx
Slide_Egg-11183-Free PowerPoint Presentation.pptxkapilshah34
 
June Labs User Experience (UX) Overview
June Labs User Experience (UX) OverviewJune Labs User Experience (UX) Overview
June Labs User Experience (UX) OverviewJef Lippiatt
 
AD - Developer communication and Technology
AD - Developer communication and TechnologyAD - Developer communication and Technology
AD - Developer communication and TechnologyEnplore AB
 
Products that Stick - Le Wagon
Products that Stick - Le WagonProducts that Stick - Le Wagon
Products that Stick - Le WagonAdmar Concon-Neto
 
Troublefree troubleshooting ian campbell sps jhb 2019
Troublefree troubleshooting ian campbell sps jhb 2019Troublefree troubleshooting ian campbell sps jhb 2019
Troublefree troubleshooting ian campbell sps jhb 2019Ian Campbell
 
We’ve done all this research, now what?
We’ve done all this research, now what?We’ve done all this research, now what?
We’ve done all this research, now what?Steve Portigal
 

Semelhante a Design pattern (20)

Running Effective Design Sprints
Running Effective Design SprintsRunning Effective Design Sprints
Running Effective Design Sprints
 
design process
design processdesign process
design process
 
Why You Need Someone Like me on Your Project
Why You Need Someone Like me on Your ProjectWhy You Need Someone Like me on Your Project
Why You Need Someone Like me on Your Project
 
Frug'Agile 2021: Agile as doctrine (and that's a good thing)
Frug'Agile 2021: Agile as doctrine (and that's a good thing)Frug'Agile 2021: Agile as doctrine (and that's a good thing)
Frug'Agile 2021: Agile as doctrine (and that's a good thing)
 
Integrating UX, Lean and Agile to your Advantage
Integrating UX, Lean and Agile to your AdvantageIntegrating UX, Lean and Agile to your Advantage
Integrating UX, Lean and Agile to your Advantage
 
DDD/CQRS - I must learn to repeat myself
DDD/CQRS - I must learn to repeat myselfDDD/CQRS - I must learn to repeat myself
DDD/CQRS - I must learn to repeat myself
 
Coaching Anti-Pattens and common smells
 Coaching Anti-Pattens and common smells Coaching Anti-Pattens and common smells
Coaching Anti-Pattens and common smells
 
趨勢科技案例分享 - 與專家一起共舞 Design Sprint
趨勢科技案例分享 - 與專家一起共舞 Design Sprint趨勢科技案例分享 - 與專家一起共舞 Design Sprint
趨勢科技案例分享 - 與專家一起共舞 Design Sprint
 
How do you know your Solution will make an Impact? - Björn Brynjar Jonsson
How do you know your Solution will make an Impact? - Björn Brynjar JonssonHow do you know your Solution will make an Impact? - Björn Brynjar Jonsson
How do you know your Solution will make an Impact? - Björn Brynjar Jonsson
 
Coaching teams in creative problem solving
Coaching teams in creative problem solvingCoaching teams in creative problem solving
Coaching teams in creative problem solving
 
Agile Practices
Agile PracticesAgile Practices
Agile Practices
 
Retrospective Anti-Patterns by Aino Corry at #AgileIndia2019
Retrospective Anti-Patterns by Aino Corry at #AgileIndia2019Retrospective Anti-Patterns by Aino Corry at #AgileIndia2019
Retrospective Anti-Patterns by Aino Corry at #AgileIndia2019
 
Rules of UI prototyping
Rules of UI prototypingRules of UI prototyping
Rules of UI prototyping
 
Slide_Egg-11183-Free PowerPoint Presentation.pptx
Slide_Egg-11183-Free PowerPoint Presentation.pptxSlide_Egg-11183-Free PowerPoint Presentation.pptx
Slide_Egg-11183-Free PowerPoint Presentation.pptx
 
What is Agile Scrum
What is Agile ScrumWhat is Agile Scrum
What is Agile Scrum
 
June Labs User Experience (UX) Overview
June Labs User Experience (UX) OverviewJune Labs User Experience (UX) Overview
June Labs User Experience (UX) Overview
 
AD - Developer communication and Technology
AD - Developer communication and TechnologyAD - Developer communication and Technology
AD - Developer communication and Technology
 
Products that Stick - Le Wagon
Products that Stick - Le WagonProducts that Stick - Le Wagon
Products that Stick - Le Wagon
 
Troublefree troubleshooting ian campbell sps jhb 2019
Troublefree troubleshooting ian campbell sps jhb 2019Troublefree troubleshooting ian campbell sps jhb 2019
Troublefree troubleshooting ian campbell sps jhb 2019
 
We’ve done all this research, now what?
We’ve done all this research, now what?We’ve done all this research, now what?
We’ve done all this research, now what?
 

Mais de UT, San Antonio

digital certificate - types and formats
digital certificate - types and formatsdigital certificate - types and formats
digital certificate - types and formatsUT, San Antonio
 
Static Analysis with Sonarlint
Static Analysis with SonarlintStatic Analysis with Sonarlint
Static Analysis with SonarlintUT, San Antonio
 
Shellshock- from bug towards vulnerability
Shellshock- from bug towards vulnerabilityShellshock- from bug towards vulnerability
Shellshock- from bug towards vulnerabilityUT, San Antonio
 
Big Data Processing: Performance Gain Through In-Memory Computation
Big Data Processing: Performance Gain Through In-Memory ComputationBig Data Processing: Performance Gain Through In-Memory Computation
Big Data Processing: Performance Gain Through In-Memory ComputationUT, San Antonio
 
Enumerated authorization policy ABAC (EP-ABAC) model
Enumerated authorization policy ABAC (EP-ABAC) modelEnumerated authorization policy ABAC (EP-ABAC) model
Enumerated authorization policy ABAC (EP-ABAC) modelUT, San Antonio
 
Where is my Privacy presentation slideshow (one page only)
Where is my Privacy presentation slideshow (one page only)Where is my Privacy presentation slideshow (one page only)
Where is my Privacy presentation slideshow (one page only)UT, San Antonio
 
Security_of_openstack_keystone
Security_of_openstack_keystoneSecurity_of_openstack_keystone
Security_of_openstack_keystoneUT, San Antonio
 
Research seminar group_1_prosunjit
Research seminar group_1_prosunjitResearch seminar group_1_prosunjit
Research seminar group_1_prosunjitUT, San Antonio
 
Attribute Based Encryption
Attribute Based EncryptionAttribute Based Encryption
Attribute Based EncryptionUT, San Antonio
 
Final Project Transciption Factor DNA binding Prediction
Final Project Transciption Factor DNA binding Prediction Final Project Transciption Factor DNA binding Prediction
Final Project Transciption Factor DNA binding Prediction UT, San Antonio
 
Transcription Factor DNA Binding Prediction
Transcription Factor DNA Binding PredictionTranscription Factor DNA Binding Prediction
Transcription Factor DNA Binding PredictionUT, San Antonio
 

Mais de UT, San Antonio (20)

digital certificate - types and formats
digital certificate - types and formatsdigital certificate - types and formats
digital certificate - types and formats
 
Saml metadata
Saml metadataSaml metadata
Saml metadata
 
Static Analysis with Sonarlint
Static Analysis with SonarlintStatic Analysis with Sonarlint
Static Analysis with Sonarlint
 
Shellshock- from bug towards vulnerability
Shellshock- from bug towards vulnerabilityShellshock- from bug towards vulnerability
Shellshock- from bug towards vulnerability
 
Abac17 prosun-slides
Abac17 prosun-slidesAbac17 prosun-slides
Abac17 prosun-slides
 
Abac17 prosun-slides
Abac17 prosun-slidesAbac17 prosun-slides
Abac17 prosun-slides
 
Recitation
RecitationRecitation
Recitation
 
Recitation
RecitationRecitation
Recitation
 
Big Data Processing: Performance Gain Through In-Memory Computation
Big Data Processing: Performance Gain Through In-Memory ComputationBig Data Processing: Performance Gain Through In-Memory Computation
Big Data Processing: Performance Gain Through In-Memory Computation
 
Enumerated authorization policy ABAC (EP-ABAC) model
Enumerated authorization policy ABAC (EP-ABAC) modelEnumerated authorization policy ABAC (EP-ABAC) model
Enumerated authorization policy ABAC (EP-ABAC) model
 
Where is my Privacy presentation slideshow (one page only)
Where is my Privacy presentation slideshow (one page only)Where is my Privacy presentation slideshow (one page only)
Where is my Privacy presentation slideshow (one page only)
 
Three month course
Three month courseThree month course
Three month course
 
One month-syllabus
One month-syllabusOne month-syllabus
One month-syllabus
 
Security_of_openstack_keystone
Security_of_openstack_keystoneSecurity_of_openstack_keystone
Security_of_openstack_keystone
 
Research seminar group_1_prosunjit
Research seminar group_1_prosunjitResearch seminar group_1_prosunjit
Research seminar group_1_prosunjit
 
Ksi
KsiKsi
Ksi
 
Attribute Based Encryption
Attribute Based EncryptionAttribute Based Encryption
Attribute Based Encryption
 
Final Project Transciption Factor DNA binding Prediction
Final Project Transciption Factor DNA binding Prediction Final Project Transciption Factor DNA binding Prediction
Final Project Transciption Factor DNA binding Prediction
 
Cyber Security Exam 2
Cyber Security Exam 2Cyber Security Exam 2
Cyber Security Exam 2
 
Transcription Factor DNA Binding Prediction
Transcription Factor DNA Binding PredictionTranscription Factor DNA Binding Prediction
Transcription Factor DNA Binding Prediction
 

Último

fourth grading exam for kindergarten in writing
fourth grading exam for kindergarten in writingfourth grading exam for kindergarten in writing
fourth grading exam for kindergarten in writingTeacherCyreneCayanan
 
microwave assisted reaction. General introduction
microwave assisted reaction. General introductionmicrowave assisted reaction. General introduction
microwave assisted reaction. General introductionMaksud Ahmed
 
Making and Justifying Mathematical Decisions.pdf
Making and Justifying Mathematical Decisions.pdfMaking and Justifying Mathematical Decisions.pdf
Making and Justifying Mathematical Decisions.pdfChris Hunter
 
Application orientated numerical on hev.ppt
Application orientated numerical on hev.pptApplication orientated numerical on hev.ppt
Application orientated numerical on hev.pptRamjanShidvankar
 
Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17Celine George
 
An Overview of Mutual Funds Bcom Project.pdf
An Overview of Mutual Funds Bcom Project.pdfAn Overview of Mutual Funds Bcom Project.pdf
An Overview of Mutual Funds Bcom Project.pdfSanaAli374401
 
APM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across SectorsAPM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across SectorsAssociation for Project Management
 
Presentation by Andreas Schleicher Tackling the School Absenteeism Crisis 30 ...
Presentation by Andreas Schleicher Tackling the School Absenteeism Crisis 30 ...Presentation by Andreas Schleicher Tackling the School Absenteeism Crisis 30 ...
Presentation by Andreas Schleicher Tackling the School Absenteeism Crisis 30 ...EduSkills OECD
 
How to Give a Domain for a Field in Odoo 17
How to Give a Domain for a Field in Odoo 17How to Give a Domain for a Field in Odoo 17
How to Give a Domain for a Field in Odoo 17Celine George
 
SOCIAL AND HISTORICAL CONTEXT - LFTVD.pptx
SOCIAL AND HISTORICAL CONTEXT - LFTVD.pptxSOCIAL AND HISTORICAL CONTEXT - LFTVD.pptx
SOCIAL AND HISTORICAL CONTEXT - LFTVD.pptxiammrhaywood
 
Mixin Classes in Odoo 17 How to Extend Models Using Mixin Classes
Mixin Classes in Odoo 17  How to Extend Models Using Mixin ClassesMixin Classes in Odoo 17  How to Extend Models Using Mixin Classes
Mixin Classes in Odoo 17 How to Extend Models Using Mixin ClassesCeline George
 
Sports & Fitness Value Added Course FY..
Sports & Fitness Value Added Course FY..Sports & Fitness Value Added Course FY..
Sports & Fitness Value Added Course FY..Disha Kariya
 
Beyond the EU: DORA and NIS 2 Directive's Global Impact
Beyond the EU: DORA and NIS 2 Directive's Global ImpactBeyond the EU: DORA and NIS 2 Directive's Global Impact
Beyond the EU: DORA and NIS 2 Directive's Global ImpactPECB
 
Activity 01 - Artificial Culture (1).pdf
Activity 01 - Artificial Culture (1).pdfActivity 01 - Artificial Culture (1).pdf
Activity 01 - Artificial Culture (1).pdfciinovamais
 
Explore beautiful and ugly buildings. Mathematics helps us create beautiful d...
Explore beautiful and ugly buildings. Mathematics helps us create beautiful d...Explore beautiful and ugly buildings. Mathematics helps us create beautiful d...
Explore beautiful and ugly buildings. Mathematics helps us create beautiful d...christianmathematics
 
Ecological Succession. ( ECOSYSTEM, B. Pharmacy, 1st Year, Sem-II, Environmen...
Ecological Succession. ( ECOSYSTEM, B. Pharmacy, 1st Year, Sem-II, Environmen...Ecological Succession. ( ECOSYSTEM, B. Pharmacy, 1st Year, Sem-II, Environmen...
Ecological Succession. ( ECOSYSTEM, B. Pharmacy, 1st Year, Sem-II, Environmen...Shubhangi Sonawane
 
1029-Danh muc Sach Giao Khoa khoi 6.pdf
1029-Danh muc Sach Giao Khoa khoi  6.pdf1029-Danh muc Sach Giao Khoa khoi  6.pdf
1029-Danh muc Sach Giao Khoa khoi 6.pdfQucHHunhnh
 
Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104misteraugie
 
Unit-IV- Pharma. Marketing Channels.pptx
Unit-IV- Pharma. Marketing Channels.pptxUnit-IV- Pharma. Marketing Channels.pptx
Unit-IV- Pharma. Marketing Channels.pptxVishalSingh1417
 

Último (20)

fourth grading exam for kindergarten in writing
fourth grading exam for kindergarten in writingfourth grading exam for kindergarten in writing
fourth grading exam for kindergarten in writing
 
microwave assisted reaction. General introduction
microwave assisted reaction. General introductionmicrowave assisted reaction. General introduction
microwave assisted reaction. General introduction
 
Making and Justifying Mathematical Decisions.pdf
Making and Justifying Mathematical Decisions.pdfMaking and Justifying Mathematical Decisions.pdf
Making and Justifying Mathematical Decisions.pdf
 
Application orientated numerical on hev.ppt
Application orientated numerical on hev.pptApplication orientated numerical on hev.ppt
Application orientated numerical on hev.ppt
 
Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17
 
An Overview of Mutual Funds Bcom Project.pdf
An Overview of Mutual Funds Bcom Project.pdfAn Overview of Mutual Funds Bcom Project.pdf
An Overview of Mutual Funds Bcom Project.pdf
 
APM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across SectorsAPM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across Sectors
 
Presentation by Andreas Schleicher Tackling the School Absenteeism Crisis 30 ...
Presentation by Andreas Schleicher Tackling the School Absenteeism Crisis 30 ...Presentation by Andreas Schleicher Tackling the School Absenteeism Crisis 30 ...
Presentation by Andreas Schleicher Tackling the School Absenteeism Crisis 30 ...
 
How to Give a Domain for a Field in Odoo 17
How to Give a Domain for a Field in Odoo 17How to Give a Domain for a Field in Odoo 17
How to Give a Domain for a Field in Odoo 17
 
SOCIAL AND HISTORICAL CONTEXT - LFTVD.pptx
SOCIAL AND HISTORICAL CONTEXT - LFTVD.pptxSOCIAL AND HISTORICAL CONTEXT - LFTVD.pptx
SOCIAL AND HISTORICAL CONTEXT - LFTVD.pptx
 
Mixin Classes in Odoo 17 How to Extend Models Using Mixin Classes
Mixin Classes in Odoo 17  How to Extend Models Using Mixin ClassesMixin Classes in Odoo 17  How to Extend Models Using Mixin Classes
Mixin Classes in Odoo 17 How to Extend Models Using Mixin Classes
 
Sports & Fitness Value Added Course FY..
Sports & Fitness Value Added Course FY..Sports & Fitness Value Added Course FY..
Sports & Fitness Value Added Course FY..
 
Beyond the EU: DORA and NIS 2 Directive's Global Impact
Beyond the EU: DORA and NIS 2 Directive's Global ImpactBeyond the EU: DORA and NIS 2 Directive's Global Impact
Beyond the EU: DORA and NIS 2 Directive's Global Impact
 
Activity 01 - Artificial Culture (1).pdf
Activity 01 - Artificial Culture (1).pdfActivity 01 - Artificial Culture (1).pdf
Activity 01 - Artificial Culture (1).pdf
 
Explore beautiful and ugly buildings. Mathematics helps us create beautiful d...
Explore beautiful and ugly buildings. Mathematics helps us create beautiful d...Explore beautiful and ugly buildings. Mathematics helps us create beautiful d...
Explore beautiful and ugly buildings. Mathematics helps us create beautiful d...
 
Ecological Succession. ( ECOSYSTEM, B. Pharmacy, 1st Year, Sem-II, Environmen...
Ecological Succession. ( ECOSYSTEM, B. Pharmacy, 1st Year, Sem-II, Environmen...Ecological Succession. ( ECOSYSTEM, B. Pharmacy, 1st Year, Sem-II, Environmen...
Ecological Succession. ( ECOSYSTEM, B. Pharmacy, 1st Year, Sem-II, Environmen...
 
1029-Danh muc Sach Giao Khoa khoi 6.pdf
1029-Danh muc Sach Giao Khoa khoi  6.pdf1029-Danh muc Sach Giao Khoa khoi  6.pdf
1029-Danh muc Sach Giao Khoa khoi 6.pdf
 
Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104
 
Unit-IV- Pharma. Marketing Channels.pptx
Unit-IV- Pharma. Marketing Channels.pptxUnit-IV- Pharma. Marketing Channels.pptx
Unit-IV- Pharma. Marketing Channels.pptx
 
Mehran University Newsletter Vol-X, Issue-I, 2024
Mehran University Newsletter Vol-X, Issue-I, 2024Mehran University Newsletter Vol-X, Issue-I, 2024
Mehran University Newsletter Vol-X, Issue-I, 2024
 

Design pattern

  • 1. Design Pattern D ESIGN P ATTERN
  • 2. Design Pattern Outline What is ? Why Design Pattern? Pattern In Action Observer Pattern SingleTon Pattern Classification Feedback
  • 3. Design Pattern What is DP General * Reusable * solution to Commonly Occurring problem (Experience Reuse Rather Code Reuse) Description or Template for how to Solve A * Common Problem *
  • 4. Design Pattern Learn DP There are around 50(!)s of DPs Already done for you. So, We Won’t ** REINVENT THE WHEEL **
  • 5. Design Pattern DP There are around 50(!)s of DPs Already done for you. So, We Won’t ** REINVENT THE WHEEL **
  • 6. Design Pattern Pattern In action Google Alert / RSS Feed What Happens?
  • 7. Design Pattern Pattern In action Google Alert / RSS Feed What Happens? 1. New user can subscribe any time
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13. Design Pattern Pattern In action Solution is The OBSERVER PATTERN