Answers
- It helps manage behaviors at runtime, such as changing an algorithm in the middle of a running program.
- Creational patterns are responsible for creating objects.
v1
andv2
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.- Yes, it is true. That’s the primary goal of the pattern, as we demonstrated in the
MidRangeVehicleFactory
code sample. - 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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