using System;  

        public class Addition  

        {  

            int a, b; 

            //default contructor  

            public Addition()   

            {  

                a = 100;  

                b = 175;  

            }  

            public static void Main()  

            {  

                Addition obj = new Addition(); //an object is created , constructor is called here 

                Console.WriteLine(obj.a);  

                Console.WriteLine(obj.b);  

            }  

        }  

​