Practice Creational Patterns (11.2.1) - Design Patterns in Java

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9 questions

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6 sample questions

Question 1.
What does the Singleton Pattern ensure?
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Think of a unique object in the application.
Question 2.
What is the purpose of the Factory Method Pattern?
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Consider how different shapes might be created.
3Question 3.
Which pattern ensures only one instance of a class exists?
- Factory Method
- Singleton
- Builder
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Think about unique resources like a logging system.
4Question 4.
True or False: The Factory Method allows subclasses to create a fixed type of object.
- True
- False
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Remember, it's about flexibility!
Question 5.
Create a detailed design for an application that uses at least three of the creational patterns. Explain your choices and how they interrelate.
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Link each pattern's strengths to a required functionality in your design.
Question 6.
Devise a scenario where using a Prototype pattern gives measurable performance benefits. Compare it to their traditional instantiation approach.
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Think about resource-heavy operations and ways to minimize costs.

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