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Thread: C-Sharp (C#) Group: Re: Inheritance
C-Sharp (C#) Group: Re: Inheritance
user name
 2006-05-08 19:54:34 

  


  

    That's because S is created as a Shape object, not a triangle.  To have the new Triangle property available, you must cast S to a Triangle.

Do either:

Triangle S = new Triangle();

Or

Shape S = new Triangle();

Triangle T = (Triangle)S;

On 5/8/06, Sekhar <gmail.com">pcsekhar1981gmail.com> wrote:


Hi All


 


I have a question on Inheritance


 


I have an abstract class Shape with two properties int X and int Y


I have a concrete class Triangle which inherits Shape


Triangle class has an additional property Y


 


 


abstract class Shape


{


 &nbsp;public int x,


 public&nbsp;  int y


}


 


class triangle : Shape


{


 public&nbsp; int y;


}


 


 


When i say Shape S = new Triangle();


I expect to see the properties X,Y and Z......But i only see X and Y....


 


I am confused


Please explain..












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