[JAVA] I wrote a sequence diagram of the j.u.c.Flow sample

Java.util.concurrent.Flow will be introduced in JDK9. Flow is a standard for asynchronous stream processing and is discussed in Reactive Streams.

The Observer / Observable model has been available since JDK1.0, but with the introduction of Flow in JDK9, the following will be deprecated.

A sample program can be found in the Flow API documentation. It's not that complicated, but I'm going back and forth between three classes, so I wrote a sequence diagram.


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