Sponsoring getting 5015163 "(str) String merge/join that is the inverse of String.split()" into JDK 7

[Ulf Zibis]

Neal, thanks for your patience.

Yes, these are the arguments I understand.

Thanks a lot,

-Ulf


Am 27.10.2009 17:36, Neal Gafter schrieb:
> Ulf-
>
> Very good.  How what happens if you change the return type, or add a 
> throws clause, or change its access modifier (JLS 8.4.8.3)?  In all 
> three cases it must be a compile-time error.
>
> -Neal
>
> On Tue, Oct 27, 2009 at 8:13 AM, Ulf Zibis <Ulf.Zibis at gmx.de 
> <mailto:Ulf.Zibis at gmx.de>> wrote:
>
>     It works fine too.
>     Is coded:
>
>
>     public class MyClass1 {
>       private final int value;
>
>       public MyClass1(int value) {
>           this.value = value;
>       }
>
>       public static int hashCode(Object key) {
>           return 3;
>       }
>
>     //    public static int hashCode(MyClass1 obj) {
>
>     //        return 3 * obj.value;
>     //    }
>
>       public static void main(String... args) {
>           MyClass1 c = new MyClass1(99);
>           System.out.println(c.hashCode());
>           System.out.println(hashCode(c));
>           System.out.println(Object.hashCode(c)); // compile error if
>     using official version of class Object
>       }
>     }
>
>
>     -Ulf
>
>
>     Am 27.10.2009 15:53, Neal Gafter schrieb:
>
>         Try adding
>
>          public static hashCode(Object key) {
>              return 3;
>          }
>
>         to MyClass.  Such a class is broken by the proposed change.
>
>         On Tue, Oct 27, 2009 at 2:49 AM, Ulf Zibis <Ulf.Zibis at gmx.de
>         <mailto:Ulf.Zibis at gmx.de> <mailto:Ulf.Zibis at gmx.de
>         <mailto:Ulf.Zibis at gmx.de>>> wrote:
>
>            Correction:
>
>
>            public class MyClass1 {
>             private final int value;
>
>             public MyClass1(int value) {
>                 this.value = value;
>             }
>
>             public static int hashCode(MyClass1 obj) {
>                 return 3 * obj.value;
>             }
>
>             public static void main(String... args) {
>                 MyClass1 c = new MyClass1(99);
>                 System.out.println(c.hashCode());
>                 System.out.println(hashCode(c));
>                 System.out.println(Object.hashCode(c)); // compile
>         error if
>            using official version of class Object
>             }
>            }
>
>
>            -Ulf
>
>
>
>
>