Path: csiph.com!usenet.pasdenom.info!gegeweb.org!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail From: Daniele Futtorovic Newsgroups: comp.lang.java.programmer Subject: Re: Updating code from jdk1.2 to recent jdk SE 1.6 Date: Thu, 12 Jul 2012 00:51:26 +0200 Organization: A noiseless patient Spider Lines: 19 Message-ID: References: <725fbc58-fab7-4e70-9f1a-b2e393fdeca9@googlegroups.com> <539uc9-7jg.ln1@luuk.invalid.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Injection-Date: Wed, 11 Jul 2012 22:52:13 +0000 (UTC) Injection-Info: mx04.eternal-september.org; posting-host="7ecfd50713586de1138e9225bbb530e4"; logging-data="3493"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/APlkza5VUivmZwRC4wTSO" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.2.28) Gecko/20120306 Thunderbird/3.1.20 In-Reply-To: Cancel-Lock: sha1:HQLmdGngU6FgMCksnDZ/UR7nues= Xref: csiph.com comp.lang.java.programmer:15957 On 12/07/2012 00:19, Roedy Green allegedly wrote: > On Tue, 10 Jul 2012 21:05:33 +0200, Luuk wrote, > quoted or indirectly quoted someone who said : > >> Forward compatible does not exist, > > The words forward and backward don't add anything but confusion. Some > people say backward and some forward. > > In theory you might have a kind of compatability where you could > compile a 1.6 program on a 1.6 compiler and run it on a 1.2 run time > if you did not use any of the new features. It does NOT work that > way. /Code/ is (at best) forward-compatible. /Compilers/ or /runtimes/ are (at best) backward-compatible. -- DF.