Groups > comp.lang.java.programmer > #4583

Re: Java generics and type erasure

Path	csiph.com!x330-a1.tempe.blueboxinc.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!news.linkpendium.com!news.linkpendium.com!newsfeeds.ihug.co.nz!lust.ihug.co.nz!ihug.co.nz!not-for-mail
From	Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand>
Newsgroups	comp.lang.java.programmer
Subject	Re: Java generics and type erasure
Followup-To	comp.lang.java.programmer
Date	Thu, 26 May 2011 10:18:20 +1200
Organization	Geek Central
Lines	16
Message-ID	<irjv7c$iv0$5@lust.ihug.co.nz> (permalink)
References	<9d4c2b16-beb5-40b1-87a2-f03e971efeed@k17g2000vbn.googlegroups.com> <nospam-871A48.22542123052011@news.aioe.org> <irfgkl$lca$1@news.albasani.net> <Xns9EEF8515AF3B6vaj4088ianshef@138.125.254.103> <irh6kb$gse$1@news.albasani.net> <Xns9EEFA3AE378DDvaj4088ianshef@138.125.254.103> <irhhik$9rc$3@dont-email.me>
NNTP-Posting-Host	118-92-95-178.dsl.dyn.ihug.co.nz
Mime-Version	1.0
Content-Type	text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding	7Bit
X-Trace	lust.ihug.co.nz 1306361900 19424 118.92.95.178 (25 May 2011 22:18:20 GMT)
X-Complaints-To	abuse@ihug.co.nz
NNTP-Posting-Date	Wed, 25 May 2011 22:18:20 +0000 (UTC)
User-Agent	KNode/4.4.7
Xref	x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:4583

Followups directed to: comp.lang.java.programmer

Show key headers only | View raw

In message <irhhik$9rc$3@dont-email.me>, Susan Calvin wrote:

> The only reason I can think of for not doing this (the logic seems simple
> enough to implement) is that it turned out doing so would break legacy
> code that used util collections' raw types. Was that why?

Yup. Much of the complexity attendant on introducing generics into Java was 
precisely because of that need for backward compatibility.

> Perhaps there should be a compile flag that turns on the legacy-compatible
> behavior for use when compiling 1.4 and older sources, but which is off by
> default?

What happens when you mix code compiled with that flag, with code that was 
compiled without?

Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Java generics and type erasure Marcin Pietraszek <m.pietraszek@gmail.com> - 2011-05-23 13:18 -0700
  Re: Java generics and type erasure "John B. Matthews" <nospam@nospam.invalid> - 2011-05-23 22:54 -0400
    Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-24 01:45 -0400
      Re: Java generics and type erasure Marcin Pietraszek <m.pietraszek@gmail.com> - 2011-05-24 12:39 -0700
      Re: Java generics and type erasure Ian Shef <invalid@avoiding.spam> - 2011-05-24 20:04 +0000
        Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-24 17:06 -0400
          Re: Java generics and type erasure Ian Shef <invalid@avoiding.spam> - 2011-05-24 23:05 +0000
            Re: Java generics and type erasure Susan Calvin <s.calvin@usr.invalid> - 2011-05-25 00:13 +0000
              Re: Java generics and type erasure Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-05-26 10:18 +1200
                Re: Java generics and type erasure Susan Calvin <s.calvin@usr.invalid> - 2011-05-26 01:12 +0000
                Re: Java generics and type erasure Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-05-26 13:59 +1200
                Re: Java generics and type erasure Susan Calvin <s.calvin@usr.invalid> - 2011-05-26 04:18 +0000
                Re: Java generics and type erasure Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-05-26 18:48 +1200
                Re: Java generics and type erasure Esmond Pitt <esmond.pitt@bigpond.com> - 2011-05-26 18:34 +1000
                Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-26 07:45 -0400
                Re: Java generics and type erasure "John B. Matthews" <nospam@nospam.invalid> - 2011-05-26 15:25 -0400
                Re: Java generics and type erasure Esmond Pitt <esmond.pitt@bigpond.com> - 2011-05-27 12:01 +1000
                Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-26 22:15 -0400
                Re: Java generics and type erasure Esmond Pitt <esmond.pitt@bigpond.com> - 2011-05-27 13:04 +1000
                Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-27 01:27 -0400
                Re: Java generics and type erasure Esmond Pitt <esmond.pitt@bigpond.com> - 2011-05-27 18:07 +1000
                Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-27 10:18 -0400
                Re: Java generics and type erasure Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-05-27 17:03 +0000
                Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-27 13:27 -0400
                Re: Java generics and type erasure Esmond Pitt <esmond.pitt@bigpond.com> - 2011-05-30 15:19 +1000
                Re: Java generics and type erasure Tom McGlynn <taqmcg@gmail.com> - 2011-05-26 19:53 -0700
                Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-27 01:30 -0400
                Re: Java generics and type erasure Esmond Pitt <esmond.pitt@bigpond.com> - 2011-05-27 18:09 +1000
                Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-27 10:22 -0400
                Re: Java generics and type erasure Esmond Pitt <esmond.pitt@bigpond.com> - 2011-05-30 15:23 +1000
                Re: Java generics and type erasure Lew <noone@lewscanon.com> - 2011-05-30 02:35 -0400

csiph-web