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Re: A question about a few variables in a class

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Chad wrote:
> Let's say I have the following class.....
> 
> public class ComparableRectangle extends Rectangle implements
> Comparable {

Don't use raw types.

>   public ComparableRectangle(double width, double height) {
>     super(width, height);
>   }
> 
>   public int compareTo(Object o) {
>     if (getArea() > ((ComparableRectangle)o).getArea())

Don't cast 'o' because it will be of the correct type if you declare your class correctly, which you didn't.

  public int compareTo( ComparableRectangle o )
  ...

See 
http://download.oracle.com/javase/6/docs/api/java/lang/Comparable.html

-- 
Lew

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A question about a few variables in a class Chad <cdalten@gmail.com> - 2011-08-05 14:31 -0700
  Re: A question about a few variables in a class markspace <-@.> - 2011-08-05 14:46 -0700
  Re: A question about a few variables in a class Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-08-06 07:56 -0400
    Re: A question about a few variables in a class Chad <cdalten@gmail.com> - 2011-08-13 10:30 -0700
      Re: A question about a few variables in a class Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-08-13 20:49 -0400
        Re: A question about a few variables in a class Chad <cdalten@gmail.com> - 2011-08-14 13:23 -0700
          Re: A question about a few variables in a class markspace <-@.> - 2011-08-14 13:52 -0700
            Re: A question about a few variables in a class Lew <lewbloch@gmail.com> - 2011-08-14 22:50 -0700
          Re: A question about a few variables in a class Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-08-14 18:04 -0400
            Re: A question about a few variables in a class Chad <cdalten@gmail.com> - 2011-08-14 17:09 -0700
              Re: A question about a few variables in a class Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-08-14 21:57 -0400
              Re: A question about a few variables in a class Lew <lewbloch@gmail.com> - 2011-08-14 22:55 -0700
          Re: A question about a few variables in a class Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-08-14 18:01 -0400
  Re: A question about a few variables in a class Roedy Green <see_website@mindprod.com.invalid> - 2011-08-06 22:58 -0700
    Re: A question about a few variables in a class Patricia Shanahan <pats@acm.org> - 2011-08-07 05:28 -0700
  Re: A question about a few variables in a class Lew <lewbloch@gmail.com> - 2011-08-10 09:14 -0700
    Re: A question about a few variables in a class Chad <cdalten@gmail.com> - 2011-08-13 10:27 -0700
  Re: A question about a few variables in a class Patricia Shanahan <pats@acm.org> - 2011-08-14 18:36 -0700

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