static void Main(string[] args)
{
Tennis a1 = new Inventory();
ITennis a2 = new Inventory();
Console.WriteLine($"It is class'es method: {a1.Field(4, 5)}");
Console.WriteLine($"It is Interface: {a2.Field(4, 5)}");
Console.WriteLine();
Bars bar1 = new Bars("blue");
Console.WriteLine($"bar1 is Bars? {bar1 is Bars}");
bar1.ToString();
Mats mat1 = new Mats("yellow");
Console.WriteLine($"mat1 is Bars? {mat1 is Bars}");
Console.WriteLine($"mat1 is Mats? {mat1 is Mats}");
Bench bench1 = new Bench("red");
Console.WriteLine($"bench1 is Inventory? {bench1 is Inventory}");
Console.WriteLine($"bench1 is Bench? {bench1 is Bench}");
Console.WriteLine();
Mats mat2 = new Mats("gray");
Inventory a3 = mat2 as Inventory;
Console.WriteLine($"a3 is Inventory? {a3 is Inventory}");
Console.WriteLine($"a3 is Mats? {a3 is Mats}");
Console.WriteLine($"mat2 is Inventory? {mat2 is Inventory}");
Console.WriteLine($"mat2 is Mats? {mat2 is Mats}");
Console.WriteLine("Something about mat2");
Console.WriteLine(mat2.ToString());
Console.WriteLine("Something about a3");
Console.WriteLine(a3.ToString());
Console.WriteLine();
Inventory b1 = new Inventory();
Ball b2 = new Ball("white", 10);
BallOfBasket b3 = new BallOfBasket("green", 15);
ITennis[] arr = new ITennis[3];
arr[0] = b1;
arr[1] = b2;
arr[2] = b3;
foreach (ITennis x in arr)
{
Print.IAmPrinting(x);
}
Console.ReadKey();
}
public static void IAmPrinting(ITennis obj)
{
Console.WriteLine(obj.ToString());
}
