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Groups > comp.lang.java.help > #559

Re: Instantiate an abstract class

Date 2011-04-06 10:09 -0700
From Patricia Shanahan <pats@acm.org>
Newsgroups comp.lang.java.help
Subject Re: Instantiate an abstract class
References <61c7300d-6011-4639-a5f1-5cd4c58906fa@r4g2000prm.googlegroups.com> <c1u7degm55pf$.dlg@kimmeringer.de> <ini5i3$9ci$1@news.albasani.net>
Message-ID <QMadnW49arj1AwHQnZ2dnUVZ_hqdnZ2d@earthlink.com> (permalink)

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On 4/6/2011 9:49 AM, Lew wrote:
> On 04/06/2011 12:26 PM, Lothar Kimmeringer wrote:
...
>> getClass().newInstance();
>
> You left out the object on which to call 'getClass()'. How do you get an
> instance on which to call the method?

In the context of this thread, the code will be used in a non-static
method in an AFoo subclass instance to build a new instance of the same
AFoo subclass. The getClass() target is the default, "this".

Patricia

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Thread

Instantiate an abstract class Rob McDonald <rob.a.mcdonald@gmail.com> - 2011-04-05 14:14 -0700
  Re: Instantiate an abstract class Patricia Shanahan <pats@acm.org> - 2011-04-05 14:37 -0700
    Re: Instantiate an abstract class Rob McDonald <rob.a.mcdonald@gmail.com> - 2011-04-05 14:49 -0700
  Re: Instantiate an abstract class Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-04-05 17:48 -0400
    Re: Instantiate an abstract class Rob McDonald <rob.a.mcdonald@gmail.com> - 2011-04-05 14:54 -0700
      Re: Instantiate an abstract class Patricia Shanahan <pats@acm.org> - 2011-04-05 15:09 -0700
      Re: Instantiate an abstract class Lew <noone@lewscanon.com> - 2011-04-06 12:43 -0400
        Re: Instantiate an abstract class "John B. Matthews" <nospam@nospam.invalid> - 2011-04-06 22:07 -0400
  Re: Instantiate an abstract class Roedy Green <see_website@mindprod.com.invalid> - 2011-04-05 19:02 -0700
  Re: Instantiate an abstract class Roedy Green <see_website@mindprod.com.invalid> - 2011-04-05 19:42 -0700
  Re: Instantiate an abstract class Lothar Kimmeringer <news200709@kimmeringer.de> - 2011-04-06 18:26 +0200
    Re: Instantiate an abstract class Lew <noone@lewscanon.com> - 2011-04-06 12:49 -0400
      Re: Instantiate an abstract class Patricia Shanahan <pats@acm.org> - 2011-04-06 10:09 -0700
      Re: Instantiate an abstract class Lothar Kimmeringer <news200709@kimmeringer.de> - 2011-04-07 01:01 +0200
  Re: Instantiate an abstract class Wojtek <nowhere@a.com> - 2011-04-06 12:41 -0700

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