C# Tutorial P17 - Method parameters

[Admin]

using System;
class Program
{
    public static void Main()
    {
        int i = 0;

        SimpleMethod(i);

        Console.WriteLine(i);
    }

    public static void SimpleMethod(int j)
    {
        j = 101;
    }
}

using System;
class Program
{
    public static void Main()
    {
        int i = 0;

        SimpleMethod(ref i);

        Console.WriteLine(i);
     }   

    public static void SimpleMethod(ref int j)
    {
        j = 101;
    }
}

using System;
class Program
{
    public static void Main()
    {
        int Total = 0;
        int Product = 0;
        Calculate(10, 20, out Total, out Product);
        
        Console.WriteLine("Sum = {0} && Product = {1}", Total, Product);
    }

    public static void Calculate(int FN, int SN, out int Sum, out int Product)
    {
        Sum = FN + SN;
        Product = FN * SN;
    }
}    

using System;
class Program
{
    public static void Main()
    {
        int[] Numbers = new int[3];
        
        Numbers[0] = 101;
        Numbers[1] = 102;
        Numbers[2] = 103;

        //ParamsMethod();
        //ParamsMethod(1, 2, 3, 4, 5);
        ParamsMethod(Numbers);
                
    }

    public static void ParamsMethod(params int[] Numbers)
    {
        Console.WriteLine("There are {0} elements", Numbers.Length);
        foreach (int i in Numbers)
        {
            Console.WriteLine(i);
        }
    }
}