Integrated: 8344706: Implement JEP 512: Compact Source Files and Instance Main Methods

[Jan Lahoda]

On Fri, 4 Apr 2025 07:20:23 GMT, Jan Lahoda <jlahoda at 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`)

This pull request has now been integrated.

Changeset: d29700cc
Author:    Jan Lahoda <jlahoda at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/d29700cc80003d6baddb419f2974ab226478bacc
Stats:     1061 lines in 59 files changed: 336 ins; 585 del; 140 mod

8344706: Implement JEP 512: Compact Source Files and Instance Main Methods

Co-authored-by: Stuart Marks <smarks at openjdk.org>
Reviewed-by: liach, cstein, vromero, naoto

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PR: https://git.openjdk.org/jdk/pull/24438