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Re: Accessing super method from inner class?

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From	Jeff Higgins <jeff@invalid.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: Accessing super method from inner class?
Date	Wed, 12 Nov 2014 21:54:05 -0500
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On 11/12/2014 08:40 PM, Knute Johnson wrote:
> I've got some code where I am wrapping all the calls to
> JTextArea.append() in EventQueue.invokeLater().  So I thought I would
> just extend JTextArea but what I thought was obvious isn't.
>
> import java.awt.*;
> import javax.swing.*;
>
> public class KTextArea extends JTextArea {
>      public KTextArea(String text) {
>          super(text);
>      }
>
>      public void append(final String str) {
>          EventQueue.invokeLater(new Runnable() {
>              public void run() {
>                  KTextArea.this.super.append(str);

In this context, this means your new Runnable, super means Object,
and KTextArea.super means JTextArea, and KTextArea.this is undefined.

I think.

>              }
>          });
>      }
> }
>
>
> com\knutejohnson\cookbook\KTextArea.java:14: error: '(' expected
>                  KTextArea.this.super.append(str);
>                                      ^
> 1 error
>
> but KTextArea.super.append(str); appears to work.  Why doesn't it
> require the 'this'?
>

Thread

Accessing super method from inner class? Knute Johnson <eternal@knutejohnson.com> - 2014-11-12 17:40 -0800
  Re: Accessing super method from inner class? Jeff Higgins <jeff@invalid.invalid> - 2014-11-12 21:54 -0500
    Re: Accessing super method from inner class? Knute Johnson <eternal@knutejohnson.com> - 2014-11-13 10:01 -0800

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