問題文
The MicroProfile config sources page contrasts building a MicroProfile source out of a Helidon SE config source with building one out of a whole Helidon SE config instance. Which contrast does the page draw?
選択肢
- The first stays immutable and the second does as well, with no exception at all.
- The first stays immutable whatever is configured, while the second may follow changes.
- The first stays immutable only when no watcher exists, and the second acts alike.
- The first stays immutable until it is read, and the second behaves in that way too.