What is this design pattern called is prevalent throughout guava and apache commons?

• commons-collections

  2 656 9.4 Java

  Apache Commons Collections

  

I've noticed when you look into a lot of classes in some libraries like guava, apache commons, or ReactFX, you'll notice a sort of abstraction pattern. There'll be a class that houses a bunch of common methods. Inside of those methods, instead of putting the relevant logic inside of the method, they'll call an operation-specific class that executes the logic. An example would be PredicateUtils or EventStream. Is there name for this pattern? It doesn't quite seem like it fits the command or service layer patterns.

• ReactFX

  3 370 10.0 Java

  Reactive event streams, observable values and more for JavaFX.

I've noticed when you look into a lot of classes in some libraries like guava, apache commons, or ReactFX, you'll notice a sort of abstraction pattern. There'll be a class that houses a bunch of common methods. Inside of those methods, instead of putting the relevant logic inside of the method, they'll call an operation-specific class that executes the logic. An example would be PredicateUtils or EventStream. Is there name for this pattern? It doesn't quite seem like it fits the command or service layer patterns.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

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