You can watch the video here:
Many thanks to the folks at Oracle for getting it up.
I like that Protocol example of using the Open Type System. It’s a nice change of pace from the other (open source) type loaders, most of which have to do with document schemas.
It’s both a simple and powerful example of meta programming, which most programmers can appreciate instantly.
(Assuming they know that isAssignableFrom() — whose name is accurate but so weird — is mostly the same as “instanceof”, but in the other direction.)
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