[kaffe] libraries/clib/native/Field.c
Godmar Back
gback at cs.utah.edu
Tue May 21 11:04:20 PDT 2002
>
> It makes life easier when you compare output of JDK
> and kaffe. But as it's not in the spec most of the
> time, it's more of a developer preference: if you
> match Sun's output, it's fine, if you don't, it's fine
> with me, too.
>
The idea would of course be to improve on Sun's error messages
where possible. For instance, this program:
// Cast.java
public class Cast {
public static void main(String []av) {
Object o = new Integer(42);
Byte b = (Byte)o;
}
}
outputs under Sun's JDK:
Exception in thread "main" java.lang.ClassCastException: java.lang.Integer
at Cast.main(Cast.java:5)
Kaffe's output is more informative:
java.lang.ClassCastException: can't cast `java/lang/Integer' to `java/lang/Byte'
at Cast.main(Cast.java:5)
(Especially when you get into classloaders and reflection.)
- Godmar
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