RFR: 8305457: Implement java.io.IO [v3]

[Pavel Rappo]

On Wed, 8 May 2024 05:59:14 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> Pavel Rappo has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Strengthen tests after 8330998
>>   
>>   https://github.com/openjdk/jdk/pull/18996 now allows us to test
>>   Console IO better.
>
> src/java.base/share/classes/java/io/IO.java line 51:
> 
>> 49:      * console, terminates the line and then flushes that console.
>> 50:      *
>> 51:      * If {@code System.console()} returns {@code null}, throws {@code IOError}.
> 
> Unlike, `java.io.Console` whose existing methods already throw `IOError`, should these new methods on `java.io.IO` instead throw `java.io.UncheckedIOException` instead of throwing `Error`s?

As a result of several offline discussions, it was decided to throw `IOError` to better align with `java.io.Console`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/19112#discussion_r1593711476