Course : Design Patterns, implementation
Practical course - 5d
- 35h00 - Ref. DES
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 | Understand the fundamentals of object-oriented design |
| Apply the basic rules for dividing an application into packages |
| Apply the principles of application class construction |
| Put test-driven development into practice |
| Implementing the main Design Patterns |
Intended audience
Designers, developers, architects or project managers.
Prerequisites
Knowledge of an object-oriented language.
Practical details
Hands-on work
Participant workshops will be run in the language of their choice (Python, Java, C++, C# or VB, .Net).
Course schedule
1 Design presentation
- A reminder of the fundamentals of OOP and UML.
- The benefits of UML for design.
- The challenges of design.
- Using inheritance. Advantages and disadvantages.
2 Fundamentals of object-oriented design
- The open-close principle (OCP) and Liskov substitution principle (LSP).
- Concept of polymorphism, weak coupling and strong cohesion.
- The impact of object-oriented design on projects.
Hands-on work
Division of responsibilities between classes.
3 Class construction principles
- Dependency management with dependency inversion (DIP).
- Reducing apparent complexity by separating interfaces (ISP).
- Division of responsibilities with GRASP.
4 Package organization principles
- The package: a delivery/reuse design unit (REP) and common reuse (CRP).
- Package breakdown. CCP.
- Organization between packages.
Hands-on work
Building and prioritizing packages.
5 Test-driven development
- Test Driven Development (TDD) versus Model Driven Engineering (MDE).
- Writing test cases and test suites.
Hands-on work
Assigning responsibilities to software components using the TDD approach.
6 Design Pattern principles
- Design Patterns for reusing experience.
- Scope, advantages and limitations of Design Patterns.
- Responding to recurring problems.
- The founding patterns of Gamma and GoF: creation, behavior and structure patterns.
- Refactoring. Why refactor?
- Modification of code presentation and class algorithms. Redesign.
Hands-on work
Example of design, refactoring and programming with GoF patterns.
7 Software architecture and architectural patterns
- From requirements to architecture.
- Architectural styles.
- Distribution patterns (Client Server Style, Data Bus Pattern, Blackboard, Repository).
- System design patterns (MVC, layered architecture, Plug-in Style, Pipeline).
8 Development process
- Design in an iterative, incremental process.
- The Agile manifesto. XP, Scrum.
Customer reviews
4,9 / 5
Customer reviews are based on end-of-course evaluations. The score is calculated from all evaluations within the past year. Only reviews with a textual comment are displayed.
ELHADJ MAYAS A.
17/11/25
5 / 5
Excellent training, both in terms of content and the way the trainer presented things, but it might be interesting to refresh the section on architecture patterns and 'micro-services', for example, which I think is a legitimate approach given current trends...
THOMAS D.
29/09/25
5 / 5
The course content is dense, but the balance between theory and practice makes it clear and easy to digest. The explanations are well structured and supported by concrete examples, which makes them easy to assimilate. Overall, I'm satisfied with the teaching and the quality of the content.
CEDRIC B.
29/09/25
5 / 5
Very competent teacher who uses concrete examples!
PARTICIPANTS
Designers, developers, architects or project managers.
PREREQUISITES
Knowledge of an object-oriented language.
TRAINER QUALIFICATIONS
The experts leading the training are specialists in the covered subjects. They have been approved by our instructional teams for both their professional knowledge and their teaching ability, for each course they teach. They have at least five to ten years of experience in their field and hold (or have held) decision-making positions in companies.
ASSESSMENT TERMS
The trainer evaluates each participant’s academic progress throughout the training using multiple choice, scenarios, hands-on work and more.
Participants also complete a placement test before and after the course to measure the skills they’ve developed.
TERMS AND DEADLINES
Registration must be completed 24 hours before the start of the training.
ACCESSIBILITY FOR PEOPLE WITH DISABILITIES
Do you need special accessibility accommodations? Contact Mrs. Fosse, Disability Manager, at psh-accueil@orsys.fr to review your request and its feasibility.
Designers, developers, architects or project managers.
PREREQUISITES
Knowledge of an object-oriented language.
TRAINER QUALIFICATIONS
The experts leading the training are specialists in the covered subjects. They have been approved by our instructional teams for both their professional knowledge and their teaching ability, for each course they teach. They have at least five to ten years of experience in their field and hold (or have held) decision-making positions in companies.
ASSESSMENT TERMS
The trainer evaluates each participant’s academic progress throughout the training using multiple choice, scenarios, hands-on work and more.
Participants also complete a placement test before and after the course to measure the skills they’ve developed.
TEACHING AIDS AND TECHNICAL RESOURCES
• The main teaching aids and instructional methods used in the training are audiovisual aids, documentation and course material, hands-on application exercises and corrected exercises for practical training courses, case studies and coverage of real cases for training seminars.
• At the end of each course or seminar, ORSYS provides participants with a course evaluation questionnaire that is analysed by our instructional teams.
• A check-in sheet for each half-day of attendance is provided at the end of the training, along with a course completion certificate if the trainee attended the entire session.
• The main teaching aids and instructional methods used in the training are audiovisual aids, documentation and course material, hands-on application exercises and corrected exercises for practical training courses, case studies and coverage of real cases for training seminars.
• At the end of each course or seminar, ORSYS provides participants with a course evaluation questionnaire that is analysed by our instructional teams.
• A check-in sheet for each half-day of attendance is provided at the end of the training, along with a course completion certificate if the trainee attended the entire session.
TERMS AND DEADLINES
Registration must be completed 24 hours before the start of the training.
ACCESSIBILITY FOR PEOPLE WITH DISABILITIES
Do you need special accessibility accommodations? Contact Mrs. Fosse, Disability Manager, at psh-accueil@orsys.fr to review your request and its feasibility.
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