Answers

1. It helps manage behaviors at runtime, such as changing an algorithm in the middle of a running program.
2. Creational patterns are responsible for creating objects.
3. v1 and v2 are two different instances. The code on the right-hand side of the arrow operator is executed every time you call the property’s getter.
4. Yes, it is true. That’s the primary goal of the pattern, as we demonstrated in the MidRangeVehicleFactory code sample.
5. The Singleton pattern violates the SOLID principles and encourages the use of global (static) state objects. We can avoid this pattern most of the time.

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