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From: =?UTF-8?Q?Arne_Vajh=c3=b8j?= <arne@vajhoej.dk>
Newsgroups: comp.lang.java.programmer
Subject: Re: Problem compiling with 9 for 8
Date: Mon, 2 Oct 2017 20:03:51 -0400
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On 10/2/2017 7:46 PM, Arne Vajhøj wrote:
> As I explained then I believe that --release replaces -source (that
> set the language itself version), -target (that set the generated Java
> byte code version) and -Xbootclasspath (that set the javart.jar used
> and therefore the version used).

I found the documentation:

https://docs.oracle.com/javase/9/migrate/toc.htm#JSMIG-GUID-7744EF96-5899-4FB2-B34E-86D49B2E89B6

<quote>
The --release N flag is conceptually a macro for:

-source N -target N -bootclasspath $PATH_TO_rt.jar_FOR_RELEASE_N
</quote>

Arne