tertiary operator error casting Float to Object

[Liangtao]

OpenJDK 17.0.8.1 also gets "60.0".

So it's actually "right" according to JLS. However, as a conservative guy I
lose confidence of using tertiary operator now...

Thanks,
Liangtao

On Fri, Sep 15, 2023 at 6:51 PM Alex Buckley <alex.buckley at oracle.com>
wrote:

> On JDK 17.0.6, for example, I get the expected result (temp = 60.0)
> which is the correct result.
>
> Which JDK version are you using?
>
> (For the record: per JLS 15.25.2 and 5.6, the type of the numeric
> conditional expression `isInt ? ... : ...` is float, which is assignment
> compatible with Object.)
>
> Alex
>
> On 9/15/2023 4:21 PM, Liangtao wrote:
> > The following code always output incorrect casting result:
> >
> > // BEGIN Bug.java code
> > public class Bug {
> >      public static void main(String[] args) {
> >          float temp = 60.0f;
> >          boolean isInt = true;
> >          Object o = isInt ? Integer.valueOf((int)temp) :
> > Float.valueOf(temp);
> >          System.out.println("isInt " + isInt + ", temp = " + o);
> >      }
> > }
> > // END Bug.java code
> >
> > Steps to reproduce:
> > $ javac Bug.java && java Bug
> >
> > Expected Result:
> >
> > isInt true, temp = 60.0
> >
> >
> > Actual Result:
> >
> > isInt true, temp = 60
> >
> >
>
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