Groups > comp.lang.java.programmer > #24595

Re: multiple inheritance in Java

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From	Jeff Higgins <jeff@invalid.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: multiple inheritance in Java
Date	Tue, 02 Jul 2013 15:12:09 -0400
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On 07/02/2013 02:29 PM, Jeff Higgins wrote:
> On 07/02/2013 01:40 PM, Eric Sosman wrote:
>> On 7/2/2013 1:17 PM, Jeff Higgins wrote:
>>> On 07/02/2013 12:09 AM, Eric Sosman wrote:
>>>>      Okay.  It might have been clearer if you'd chosen names that
>>>> weren't already taken -- although, one must admit, that's not easy
>>>> to do with Java's ever-growing namespace bloat.  (Factoid: The HTML
>>>> *index* for the 7.0 API occupies eighteen meg!)
>>>>
>>>
>>> Java never throws anything away. I wonder about a compatibility layer.
>>> rt.jar would contain all of the current stuff, rtc.jar the old.
>>
>>      Not sure what the separation would accomplish.  All the
>> package names would remain unchanged, all the class and method
>> and field names would remain unchanged, the JavaDoc would still
>> have to describe them all, and the JVM would need to open one
>> more file than it already does.
>
> If someone wanted to expend the effort to do the pruning
> the following would compile with the compatibility switch on
> otherwise throw ClassNotFoundException.
I meant to say fail to compile here
>
> Vector<String> v;
> JList<String> l = new JList<String>(v);
>
> I could download JDK9 or JDK9C, I guess only JDK9C compiler
> would include the -compatibility switch.
>
So now each new release has a compatibility distribution in addition
to the version release distribution. A JSR would be attached to each
new version to determine the prunings and of course the physical
pruning must be done. If we want to maintain the status quo of
backward compatibility for evermore along with introduction of new
features then we will also want to accept the bloat.

Thread

Re: multiple inheritance in Java Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-01 21:52 -0400
  Re: multiple inheritance in Java Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-02 00:09 -0400
    Re: multiple inheritance in Java Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-02 08:13 -0400
      Re: multiple inheritance in Java Arne Vajhøj <arne@vajhoej.dk> - 2013-07-04 17:33 -0400
        Re: multiple inheritance in Java Sebastian <news@seyweiler.dyndns.org> - 2013-07-05 08:04 +0200
    Re: multiple inheritance in Java Jeff Higgins <jeff@invalid.invalid> - 2013-07-02 13:17 -0400
      Re: multiple inheritance in Java Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-02 13:40 -0400
        Re: multiple inheritance in Java Jeff Higgins <jeff@invalid.invalid> - 2013-07-02 14:29 -0400
          Re: multiple inheritance in Java Jeff Higgins <jeff@invalid.invalid> - 2013-07-02 15:12 -0400
            Re: multiple inheritance in Java Arne Vajhøj <arne@vajhoej.dk> - 2013-07-04 17:23 -0400
              Re: multiple inheritance in Java Arne Vajhøj <arne@vajhoej.dk> - 2013-07-04 17:25 -0400
          Re: multiple inheritance in Java Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-02 15:44 -0400
            Re: multiple inheritance in Java Jeff Higgins <jeff@invalid.invalid> - 2013-07-02 16:28 -0400
              Re: multiple inheritance in Java Jeff Higgins <jeff@invalid.invalid> - 2013-07-02 16:44 -0400
              Re: multiple inheritance in Java Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-02 17:13 -0400
                Re: multiple inheritance in Java Jeff Higgins <jeff@invalid.invalid> - 2013-07-02 22:12 -0400
  Re: multiple inheritance in Java Lew <lewbloch@gmail.com> - 2013-07-02 11:53 -0700
    Re: multiple inheritance in Java Steven Simpson <ss@domain.invalid> - 2013-07-03 10:46 +0100
      Re: multiple inheritance in Java lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-07-03 13:01 +0100
        Re: multiple inheritance in Java Steven Simpson <ss@domain.invalid> - 2013-07-03 14:12 +0100
          Re: multiple inheritance in Java lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-07-03 14:49 +0100
        Re: multiple inheritance in Java Arne Vajhøj <arne@vajhoej.dk> - 2013-07-06 22:19 -0400
  Re: multiple inheritance in Java Arne Vajhøj <arne@vajhoej.dk> - 2013-07-04 17:36 -0400
    Re: multiple inheritance in Java Gene Wirchenko <genew@telus.net> - 2013-07-05 11:01 -0700

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