public static void infDemoTest()
{
Console.WriteLine("Hello Interfaces");
infDemo inf = new infDemo();
inf.pqr();
Console.WriteLine("new class infDemo");
abc infa = (abc)inf; //interface
infa.xyz();
Console.WriteLine("interface abc");
Sample s = new Sample();
s.xyz();
Console.WriteLine("new class Sample");
abc infb = (abc)s;
infb.xyz();
Console.WriteLine("interface abc");
abc infc = new infDemo(); //new keywork interface
infc.xyz();
abc[] infArray = { new infDemo(), new Sample() };
for (int i = 0; i < infArray.Length; i++)
{
infArray[i].xyz();
}
}
public static void Main()
{
System.Console.WriteLine("Hello Interfaces");
InterfaceDemo8 refDemo = new InterfaceDemo8();
abc refabc = refDemo;
refabc.xyz();
def refdef = refDemo;
refdef.pqr();
// refdef.xyz(); /* try uncommenting line */
}