public static void Main(String[] arg)
{
Obje obj1 = new Obje();
obj1.i = 5;
obj1.j = 6;
Console.WriteLine(obj1.i + " " + obj1.j);
diff(obj1); // difference
Console.WriteLine(obj1.i + " " + obj1.j);
//diff(new Obje()); // difference
//Console.WriteLine(obj1.i + " " + obj1.j);
}
public static void diff(Obje obj)
{
obj.i = 10;
obj.j = 20;
Console.WriteLine(obj.i + " " + obj.j);
}