Re: anonymous class

From:
"Oliver Wong" <owong@castortech.com>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 26 Mar 2007 11:01:58 -0400
Message-ID:
<N7SNh.21780$ep6.285326@wagner.videotron.net>
"josh" <xdevel1999@gmail.com> wrote in message
news:1174920474.638205.18470@y66g2000hsf.googlegroups.com...

On 26 Mar, 14:36, Tom Hawtin <use...@tackline.plus.com> wrote:

josh wrote:

Shape2D -> Interface
Shape3D -> abstract class

Can I do an anonymous class only with these two class-typo?


You want an anonymous inner class that is a subtype of two types?


sorry I explain myself bad...

I wanted say if I can create anonymous class only for interface OR
abstract class


    Not sure what you mean, so I'm going to list a bunch of true
statements in case one of them answers your question. These are all true
statements:

* You can create an anonymous class which implements a specified
interface, e.g. "new Shape2D() {...};".
* You can create an anonymous class which extends a specified class, e.g.
"new Shape3D() {...};".
* You can create an anonymous class which implements an interface and
extends a class at the same time, using Tom Hawtin's trick.
* You can't create an anonymous class which doesn't extend anything at
all, since every object extends Object.

    - Oliver

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