Those are streams on views on the map. My complaint is that a reader seeing "maps don't support streams" with no further explanation is unlikely to get the corr

Those are streams on views on the map. My complaint is that a reader seeing "maps don't support streams" with no further explanation is unlikely to get the correct idea, and may infer that something like map.entrySet().stream().filter(e -> e.getKey().equals(e.getValue())).findAny() is not expressible.