Using Parameters

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CSharpConsole
{
    class Params
    {
        //method with default value to parameterss
        public void AddNums(int x, int y = 50, int z = 25)
        {
            Console.WriteLine(x + y + z);

        }
        //method with both input and output parameterss
        public void Math1(int a, int b, ref int c, ref int d)
        {
            c = a + b;
            d = a * b;
        }
        public void Math2(int a, int b, out int c, out int d)
        {
            c = a + b;
            d = a * b;
        }
        static void Main()
        {
            Params p = new Params();
            // Calling method with default values to parameters
            p.AddNums(100);
            p.AddNums(100, 100);
            p.AddNums(100,z: 100);
            p.AddNums(100, 100, 100);

            // Calling methods with input and output parameters
            int x = 0, y = 0;
            p.Math1(100, 50, ref x, ref y);
            Console.WriteLine(x + "   " + y);

            int m, n;
            p.Math2(200, 25, out m, out n);
            Console.WriteLine(m + "   " + n);
            Console.ReadLine();

        }
    }
}