On Mon, 7 Apr 2025 21:07:36 GMT, Jan Lahoda <jlah...@openjdk.org> wrote:
>> This is a PR that implements JEP: Compact Source Files and Instance Main
>> Methods. Changes include:
>> - `java.io.IO` moved to `java.lang.IO`, and no longer uses
>> `System.console()` to implement the methods (thanks to @stuart-marks)
>> - `java. ... .IO` is no longer automatically imported in any compilation unit
>> - the feature is finalized (i.e. no longer requires `--enable-preview`)
>
> Jan Lahoda has updated the pull request incrementally with one additional
> commit since the last revision:
>
> Rewrite bits about charset decoding, removing mention of "internal objects."
src/java.base/share/classes/java/lang/IO.java line 47:
> 45: * Decoding may buffer additional bytes beyond those that have been
> decoded to characters
> 46: * returned to the application. After the first call to one of the {@code
> readln} methods,
> 47: * any subsequent use of {@code System.in} results in unspecified
> behavior.
I wonder if we should add a note about mixing API usage into System.in too.
There are tutorials and books that show examples build on System.in that will
add buffering on that input source.
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PR Review Comment: https://git.openjdk.org/jdk/pull/24438#discussion_r2035067290
