Groups > comp.lang.java.programmer > #38236

Re: package statement in standalone Java class

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From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: package statement in standalone Java class
Date	Sat, 7 Apr 2018 16:32:55 -0400
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On 4/7/2018 4:28 PM, Martin Gregorie wrote:
> On Sat, 07 Apr 2018 15:58:39 -0400, Arne Vajhøj wrote:
>> On 4/7/2018 2:23 PM, Martin Gregorie wrote:
>>> On Sat, 07 Apr 2018 08:25:47 -0700, Morten W. Petersen wrote:
>>>> I'm new to Java, and having Java, Maven and different libraries to
>>>> consider if I get an error seems too complex to debug.
>>
>>> To a first approximation you should treat Java's 'import' statements as
>>> the equivalent to C's #include <header.h> preprocessor statements. Just
>>> as as you can't compile a C program that does anything much without
>>> using #includes and linking it with the relevant libraries, the only
>>> Java program you can compile without imports is one that only uses
>>> external classes from the java.lang group.
>>
>> Strictly speaking you can use any external class without imports - you
>> just need to use the full name to refer to it.
>>
>> It looks awfully but it works.
>>
> I never do that because, as you say, it looks awful.
> Consequently,  I tend to forget its possible.

I also never do it.

Maybe nobody besides Stefan does it.

Arne

Thread

package statement in standalone Java class "Morten W. Petersen" <morphex@gmail.com> - 2018-04-07 04:38 -0700
  Re: package statement in standalone Java class Eric Sosman <esosman@comcast-dot-net.invalid> - 2018-04-07 10:25 -0400
    Re: package statement in standalone Java class "Morten W. Petersen" <morphex@gmail.com> - 2018-04-07 08:25 -0700
      Re: package statement in standalone Java class Martin Gregorie <martin@mydomain.invalid> - 2018-04-07 18:23 +0000
        Re: package statement in standalone Java class Arne Vajhøj <arne@vajhoej.dk> - 2018-04-07 15:58 -0400
          Re: package statement in standalone Java class Martin Gregorie <martin@mydomain.invalid> - 2018-04-07 20:28 +0000
            Re: package statement in standalone Java class Arne Vajhøj <arne@vajhoej.dk> - 2018-04-07 16:32 -0400
              Re: package statement in standalone Java class Martin Gregorie <martin@mydomain.invalid> - 2018-04-07 21:35 +0000
              Re: package statement in standalone Java class Eric Douglas <e.d.programmer@gmail.com> - 2018-04-09 04:57 -0700
                Re: package statement in standalone Java class Arne Vajhøj <arne@vajhoej.dk> - 2018-04-09 18:01 -0400
                Re: package statement in standalone Java class Arne Vajhøj <arne@vajhoej.dk> - 2018-04-09 18:07 -0400
                Re: package statement in standalone Java class Arne Vajhøj <arne@vajhoej.dk> - 2018-04-09 19:34 -0400
                Re: package statement in standalone Java class "Morten W. Petersen" <morphex@gmail.com> - 2018-04-10 16:28 -0700
        Re: package statement in standalone Java class "Morten W. Petersen" <morphex@gmail.com> - 2018-04-07 16:14 -0700

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