Is Singleton a design pattern?

Related questions

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5. Why do we use factory pattern?
6. Why filters are used in MVC?
7. What is routing in MVC?
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Tags

1. #instantiation
2. #useful
3. #restricts
4. #actions
5. #class
6. #system
7. #needed
8. #engineering
9. #object
10. #single
11. #software
12. #instance
13. #exactly
14. #across
15. #design
16. #coordinate
17. #singleton
18. #pattern