IIRC Harmony was scuttled primarily because of OpenJDK — Harmony's major corporate sponsor switched its support to OpenJDK, and shortly thereafter the Harmony committee unanimously agreed to put the project in the attic. I don't think Oracle ever actually went after Apache.

Nope. Oracle denied Harmony a TCK license, meaning they had no license to Java patents (and trademarks). IBM switched to OpenJDK because of this.

Bingo :)

> A language that has a choice of runtimes from a choice of vendors like Java?

At least historically it wasn't much of a choice and I wouldn't put it past Oracle to continue in this fashion.