OOP fundamentals : Explicite Interface Implementation and Structures can contain class

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;public
{

{

Label1.Text = abcd1.ret().ToString();



Label1.Text +=
}
}
partial class _Default : System.Web.UI.Page protected void Page_Load(object sender, EventArgs e)abcd abcd1 = new abcd(30);ZZZZ z = new ZZZZ();aa a = new ZZZZ();bb b = new ZZZZ();" " + z.meth() + " " + a.meth().ToString() + " " + b.meth();class ZZZZ : aa, bb{

{

}public int meth()return 55;#region

{

} aa Membersint aa.meth()return 66;#endregion
#region

{

} bb Membersint bb.meth()return 77;#endregion}interface aa{

}int meth();interface bb{

}
int meth();struct abcd{


{
x =
}
public aaaaaa x;public abcd(int z)new aaaaaa();public class aaaaaa{


{
a = 10;
}
}

{

}
} public int a;public aaaaaa()public int ret()return x.a;