when i wrote below program it gave me exception as
can anyone plz help me to sort out it???
using System;
Error1'abstractclassconntruct.program' does not implement inherited abstract member 'abstractclassconntruct.A.area()'F:\net\abstractclassconntruct\abstractclassconntruct\Program.cs4315abstractclassconntruct
can anyone plz help me to sort out it???
using System;
namespace abstractclassconntruct
{
public abstract class A
{
protected double x = 10;
protected double y = 7;
public A()
{
}
public A(double x, double y)
{
this.x = x;
this.y = y;
}
public abstract double area();
}
public class square : A
{
public square()
{ }
public override double area()
{
return x * x;
}
}
public class rectangle:A
{
public rectangle(double x,double y): base (x,y)
{ }
public override double area()
{
return x * y;
}
}
class program : A
{
static void Main(string[] args)
{
square s = new square();
double areacal = s.area();
rectangle r = new rectangle(10, 5);
double areaca = r.area();
Console.ReadKey();
}
}
}
VulpesPosted Oct 16, 2014, 3:59 PM
Just change it's declaration to this and it should compile OK:
class program
{
// code
}
JUKE BOXPosted Oct 17, 2014, 6:27 AM