Groups > comp.lang.java.programmer > #39150

Re: Surprise!

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From	Knute Johnson <nospam@rabbitbrush.frazmtn.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: Surprise!
Date	Thu, 19 Sep 2019 17:46:53 -0500
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On 9/19/2019 14:28, 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!
> 
>    .
> 
> 

Apparently it calls the main() in the first class.  I tried putting a 
main() in B but it didn't compile.

-- 

Knute Johnson

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Re: Surprise! Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2019-09-19 17:46 -0500

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