RFR: 8342936: Enhance java.io.IO with parameter-less println() and readln() [v2]

[Naoto Sato]

On Fri, 25 Oct 2024 06:56:30 GMT, Jan Lahoda <jlahoda at openjdk.org> wrote:

>> This PR is simply adding parameter-less `java.io.IO.{println(),readln()}`, with the (hopefully) obvious semantics, plus the corresponding wiring to make those work. This may become part of JEP 495:
>> https://openjdk.org/jeps/495
>
> Jan Lahoda has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Removing incorrect sentence about writing a prompt for the prompt-less readln method.

+1

-------------

Marked as reviewed by naoto (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21693#pullrequestreview-2395793885