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Re: [foo.bar.Frame] can not inherit from [java.awt.Frame]

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From	Lew <lewbloch@gmail.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: [foo.bar.Frame] can not inherit from [java.awt.Frame]
Date	Wed, 11 Apr 2012 12:18:06 -0700 (PDT)
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Daniel Pitts wrote:
> Maciej Labanowicz wrote:
>> I'm trying to compile simple class, named Frame in package foo.bar:
>>
>> --[beg]--[Frame.java]-----------------------------------
>> package foo.bar;
>> import  java.awt.Frame;
>> public class Frame extends java.awt.Frame {
>>    public static final long serialVersionUID = 1L;
>>    public static void main(String [] args) {
>>      System.out.println("HELLO: args = " + args);
>>    }
>> }
>> --[eof]--[Frame.java]-----------------------------------

> As others have pointed out, the problem is that you import Frame.  you 
> don't need to import something if you use the fully qualified name.
> 
> A side note, extending Frame is probably not what you really want to do. 
> It is unfortunate that so many examples and tutorials have you do this, 
> but in reality, you just need to compose a Frame with the various 
> Components you need.  For the most part, the only time you need to 
> extend *any* Component or JComponent is when you are creating a custom 
> view of a specific type of data. And then you should only extend 
> JComponent or Canvas as I understand it.

This raises another question, OP: Why do you use 'java.awt.Frame' instead of 'javax.swing.JFrame'?

-- 
Lew

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Thread

[foo.bar.Frame] can not inherit from [java.awt.Frame] Maciej Labanowicz <m.labanowicz@gmail.com> - 2012-04-11 04:56 -0700
  Re: can not inherit from [java.awt.Frame] Paul Cager <paul.cager@googlemail.com> - 2012-04-11 05:51 -0700
    Re: can not inherit from [java.awt.Frame] Lew <noone@lewscanon.com> - 2012-04-11 08:13 -0700
      Re: can not inherit from [java.awt.Frame] Paul Cager <paul.cager@googlemail.com> - 2012-04-11 09:37 -0700
  Re: [foo.bar.Frame] can not inherit from [java.awt.Frame] Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2012-04-11 12:59 +0000
  Re: [foo.bar.Frame] can not inherit from [java.awt.Frame] markspace <-@.> - 2012-04-11 08:24 -0700
    Re: [foo.bar.Frame] can not inherit from [java.awt.Frame] Patricia Shanahan <pats@acm.org> - 2012-04-11 09:34 -0700
      Re: [foo.bar.Frame] can not inherit from [java.awt.Frame] markspace <-@.> - 2012-04-11 10:01 -0700
  Re: [foo.bar.Frame] can not inherit from [java.awt.Frame] Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-04-11 11:18 -0700
    Re: [foo.bar.Frame] can not inherit from [java.awt.Frame] Lew <lewbloch@gmail.com> - 2012-04-11 12:18 -0700

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