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

[Jaikiran Pai]

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.

Hello Jan, the GitHub actions job failures look related:


/Users/runner/work/jdk/jdk/test/langtools/jdk/jshell/ConsoleTest.java:229: error: ThrowingJShellConsole is not abstract and does not override abstract method readLine() in JShellConsole
    private static class ThrowingJShellConsole implements JShellConsole {
                   ^
/Users/runner/work/jdk/jdk/test/langtools/jdk/jshell/ConsoleTest.java:199: error: <anonymous ConsoleTest$11> is not abstract and does not override abstract method readLine() in JShellConsole
        super.setUp(bc.andThen(b -> b.console(new JShellConsole() {
                                                                  ^
2 errors
result: Failed. Compilation failed: Compilation failed

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

PR Comment: https://git.openjdk.org/jdk/pull/21693#issuecomment-2439446550