DevFaqWaysToRegisterInDefaultLookup

Which Way Should I Use To Register an Object in the Default Lookup?

There are two ways to put something in the default Lookup:

What	When to Use It	How
Use the @ServiceProvider annotation	Most of the time, unless you are building with Maven. This annotation relies on NetBeans' build infrastructure to generate flat files in META-INF/services described below, at compile time.	Annotate your file with @ServiceProvider(service=Something.class)
Put an .instance file in your module layer in Services/Hidden	Rarely - useful if you are making services available dynamically on the fly, for example when dynamically changing layer contents, or when specialized registration metadata or factory methods are needed	Declare a .instance file, a .settings file or similar, or a .shadow file in your module's layer.xml file

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