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Re: Oops! Integer.compare

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From Lew <lewbloch@gmail.com>
Newsgroups comp.lang.java.programmer
Subject Re: Oops! Integer.compare
Date Fri, 25 May 2012 13:23:41 -0700 (PDT)
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Roedy Green wrote:
> I was doing some subtraction in sort Comparators, when I noticed a
> method Integer.compare that would handle the nice cases properly.
> 
> I thought to myself, I wonder why I never noticed that before.  (Turns
> out it was introduced in 1.7).
> 
> The catch was though that Jet stopped working.
> 
> Why?
> 
> Jet only supports up to Java 1.6.
> 
> When I compile with switches to generate Java 1.6 code, it is happy to
> use new 1.7 code from the library.  It then generates class files and
> jars marked as legit 1.6 code.  Ouch!
> 
> The official way to do this is to find old rt.jars to generate old
> code.  Is that the best way to catch these errors?

Yes. You use Java 6 boot JARs in the "-bootclasspath" argument to "javac".

-- 
Lew

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Thread

Oops! Integer.compare Roedy Green <see_website@mindprod.com.invalid> - 2012-05-25 12:00 -0700
  Re: Oops! Integer.compare Lew <lewbloch@gmail.com> - 2012-05-25 13:23 -0700
  Re: Oops! Integer.compare Owen Jacobson <angrybaldguy@gmail.com> - 2012-05-29 20:18 -0400

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