Design Pattern - Presentazione e Autovalutazione
Presentation
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Information Technology (IT)
•
Professional Development
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Hard
Michele Tornello
FREE Resource
25 Slides • 27 Questions
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3
Open Ended
Describe a situation where you solved a problem in an elegant way while developing software. What approach did you use and what was the outcome?
4
Multiple Choice
Why is it important to use design patterns when developing software?
They make code more reusable and maintainable.
They make software run faster.
They eliminate the need for testing.
They reduce the cost of hardware.
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6
Multiple Choice
Which of the following is NOT one of the authors of the book 'Design Patterns: Elements of Reusable Object-Oriented Software' published in 1994?
Erich Gamma
Richard Helm
Martin Fowler
John Vlissides
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8
Open Ended
Explain the main purpose of design patterns in software development and how they benefit developers.
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10
Multiple Choice
Which of the following principles helps to avoid code duplication by ensuring code is written only once?
KISS (Keep It Simple, Stupid)
YAGNI (You Aren't Gonna Need It)
DRY (Don't Repeat Yourself)
SOLID
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12
Multiple Select
Select all the principles that are part of the SOLID design principles.
Single Responsibility Principle
Open/Closed Principle
Keep It Simple, Stupid
Dependency Inversion Principle
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14
Fill in the Blanks
Type answer...
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16
Open Ended
Describe how creational patterns help make code more flexible and less dependent on specific implementations. Provide an example from everyday life to illustrate your answer.
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18
Multiple Choice
Which creational pattern is best suited for creating a single global instance that is accessible throughout an application?
Singleton
Builder
Prototype
Abstract Factory
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20
Multiple Choice
Which of the following statements about the Prototype pattern is correct?
It creates new objects by cloning existing ones.
It always creates a new instance from scratch.
It is used to ensure only one instance exists.
It is used to create families of related objects.
21
Open Ended
Compare the Builder and Factory Method patterns in terms of how they handle object creation and flexibility. Provide examples based on the code snippets.
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Multiple Select
Select all the structural patterns that help reduce complexity by providing a simplified interface or by sharing data among many objects.
Facade
Flyweight
Decorator
Adapter
26
Fill in the Blanks
Type answer...
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Open Ended
Explain how the Adapter and Proxy patterns differ in their intent and provide a scenario where each would be appropriately used.
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30
Multiple Choice
Which structural pattern is best represented by a universal power adapter that allows a European plug to work in a different socket?
Adapter
Facade
Decorator
Proxy
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32
Fill in the Blanks
Type answer...
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34
Multiple Select
Select all the patterns that encapsulate a request as an object, useful for undo/redo actions, and change behavior based on internal state.
Command
State
Observer
Strategy
35
Multiple Choice
Which of the following behavioral patterns is used to notify multiple objects automatically when the state of one changes?
Observer
Strategy
Command
State
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39
Multiple Choice
In the context of a hotel, which structural pattern simplifies the work behind the scenes by centralizing requests at the reception?
Facade
Adapter
Composite
Flyweight
40
Open Ended
Explain how behavioral patterns help in organizing the flow of actions and communication among participants, using an example from a card game.
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Multiple Choice
Which of the following best describes an anti-pattern in software development?
A solution that seems smart at first but creates more problems over time.
A technique that always improves code quality.
A pattern that is recommended for all situations.
A shortcut that always saves time and effort.
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Open Ended
Explain how the 'God Object' anti-pattern can negatively impact code maintainability. Use the examples provided to support your answer.
45
Multiple Select
Which of the following are examples of anti-patterns mentioned in the slides?
God Object
Spaghetti Code
Golden Hammer
Factory Method
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48
Fill in the Blanks
Type answer...
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50
Multiple Choice
What is the main advantage of using design patterns according to the slides?
They provide a common language for developers to communicate solutions efficiently.
They guarantee bug-free code.
They eliminate the need for documentation.
They make code run faster.
51
Open Ended
How do you think applying design patterns can help you solve problems more elegantly in your software projects?
52
Multiple Choice
What is the main objective of learning about design patterns in software development?
To memorize all design patterns by name
To recognize, understand, and apply design patterns in software development
To avoid using any patterns in code
To focus only on user interface design
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