Article View: borland.public.jbuilder.java.swing
Article #11638Re: about HotSpot!
From: Tad Frysinger
Date: Mon, 03 May 1999 00:00
Date: Mon, 03 May 1999 00:00
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In article <MPG.1196dbde73c48580989bf2@forums.inprise.com>, supportinfo@inprise.com says... > In article <7gi9io$2sk2@forums.borland.com>, kshakir@prosys.com.pk > says... > > I used that Hotspot with JRE 1.2 but with the class files that are build > > using JDK 1.1.8 kit... > > I am not using that software with JRE 1.1 > > > > If you compiled the class files to JDK 1.1.8 specifications they should > be compatible with the JRE for 1.1.8 but not JRE 1.2. IOW, you will have > JDK 1.1.8 classes which contain 1.1.8 bytecode and will require the > matching JRE to run successfully. There is no way they will work > reliably (if at all) under JRE 1.2 or Hotspot until you recompile (javac) > under JDK 1.2. If you managed to get classes compiled with 1.1.8 to load > with JRE1.2 it must be pure luck that the bytecode for some classes is > compatible, but when you get to hotspot all bets are off. > By default, byte codes are the same between 1.1 and 1.2, unless a flag is used to explicitly turned off compatibility in 1.2. Otherwise (for example), you wouldn't be able to use a 1.2 compiler against 1.1 code. Tad Frysinger (TeamB)
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 111d45,91ad85a5fbaf8f10 X-Google-Attributes: gid111d45,public From: tfrysinger@earthlink.net (Tad Frysinger) Subject: Re: about HotSpot! Date: 1999/05/03 Message-ID: <MPG.1197e8234c8924db9899d8@forums.borland.com> X-Deja-AN: 473701771 References: <7gfmb0$9s7@forums.borland.com> <MPG.1195a0944696c1a5989bf1@forums.inprise.com> <7gi9io$2sk2@forums.borland.com> <MPG.1196dbde73c48580989bf2@forums.inprise.com> Organization: Freezone Enterprises Newsgroups: borland.public.jbuilder.java.swing