//Deepdive-V3-377213-Step 1-Code

using System;

using System.Collections.Generic;

​

public static class TypeChecker

{

    public static int CountInstanceOfType(object[] objects, Type targetType)

    {

        if (objects == null || targetType == null)

        {

            return 0; 

        }

​

        int count = 0;

        foreach (var obj in objects)

        {

            if (obj != null && targetType.IsInstanceOfType(obj))

            {

                count++;

            }

        }

        return count;

    }

}

public class Program

{

    public static void Main()

    {

        object[] objects = new object[] { 1, "hello", 3.14, new List<int>(), "world" };

        Type targetType = typeof(string);

        int count = TypeChecker.CountInstanceOfType(objects, targetType);

        Console.WriteLine($"Count of Instance Of Type [{targetType.Name}]: {count}");

        objects = new object[] { 1, "hello", 3.14, new List<int>(), "world" };

        targetType = typeof(int);

        count = TypeChecker.CountInstanceOfType(objects, targetType);

        Console.WriteLine($"Count of Instance Of Type [{targetType.Name}]: {count}");

        objects = new object[] { 1, "hello",2.1, 2, 3.14, 5.6 };

        targetType = typeof(double);

        count = TypeChecker.CountInstanceOfType(objects, targetType);

        Console.WriteLine($"Count of Instance Of Type [{targetType.Name}]: {count}");

    }

}