Thanks.. just figured that out myself. As my colleague just said to me "the world is good again"
On Thu, Mar 20, 2014 at 4:00 PM, Richard Bair <richard.b...@oracle.com> wrote: > InvalidationListener has one param, ChangeListener has 3. So the arity of the > lambda tells the compiler which kind to produce. If there was ambiguity, the > compiler would complain. > > Richard > > On Mar 20, 2014, at 12:54 PM, Scott Palmer <swpal...@gmail.com> wrote: > >> So I'm looking at Java 8 stuff now and I see that addListener has >> methods. One takes a ChangeListener, the other an >> InvalidationListener. >> >> So what does this do: >> >> Node n = getSomeNode(); >> n.managedProperty().addListener(x -> test(x)); >> >> Well it seems it adds an InvalidationListener. >> >> So I tried this: >> >> n.managedProperty().<ChangeListener>addListener(x -> test(x)); >> >> which seems to be accepted syntax, but it still adds an InvalidationListener >> !!! >> >> Help Please. >> >> Why didn't JavaFX 8 add two new methods: >> addChangeListener >> addInvalidationListener >> >> ? >> >> Scott >