Groups > comp.lang.java.programmer > #39454

Re: Surprise!

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From	Jeff Higgins <invalid@invalid.org>
Newsgroups	comp.lang.java.programmer
Subject	Re: Surprise!
Date	Sun, 26 Apr 2020 05:06:48 -0400
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On 9/19/19 3:28 PM, Stefan Ram wrote:
>    Write this:
> 
> public final class A
> { public static void main( final java.lang.String[] args )
>    { B.hello(); }}
> 
> public final class B
> { public static void hello()
>    { java.lang.System.out.println( "Hello!" ); }}
> 
>    and save it as "Main.java". Then call:
> 
> java Main.java
> 
>    with a recent JDK. What you have there is a file named
>    "Main.java" that does /not/ contain a class "Main", and
>    it has /two/ public classes. Yet, the above command will
>    happily print,
> 
> Hello!
> 
>    .
> 
> 

https://docs.oracle.com/en/java/javase/14/docs/specs/man/java.html#using-source-file-mode-to-launch-single-file-source-code-programs

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Re: Surprise! Jeff Higgins <invalid@invalid.org> - 2020-04-26 05:06 -0400
  Re: Surprise! Martin Gregorie <martin@mydomain.invalid> - 2020-04-26 13:00 +0000
    Re: Surprise! Joerg Meier <joergmmeier@arcor.de> - 2020-04-27 09:13 +0200
      Re: Surprise! Martin Gregorie <martin@mydomain.invalid> - 2020-04-27 12:12 +0000
        Re: Surprise! Arne Vajhøj <arne@vajhoej.dk> - 2020-04-27 08:34 -0400
          Re: Surprise! Martin Gregorie <martin@mydomain.invalid> - 2020-04-27 13:52 +0000
            Re: Surprise! Arne Vajhøj <arne@vajhoej.dk> - 2020-04-27 10:04 -0400
          Re: Surprise! Arne Vajhøj <arne@vajhoej.dk> - 2020-04-27 10:09 -0400
        Re: Surprise! Eric Douglas <e.d.programmer@gmail.com> - 2020-04-27 06:36 -0700
          Re: Surprise! Arne Vajhøj <arne@vajhoej.dk> - 2020-04-27 09:46 -0400

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