static void Main(string[] args) { Console.WriteLine("Hello World!"); Person p1 = new Person(); p1.Id = 51; p1.name = "Bhakti"; p1.printData(); Employee e1 = new Employee(); e1.Id = 1; e1.name = "Niyati"; e1.salary = 50000; e1.printData(); Manager m1 = new Manager(); m1.bonus = 10000; m1.Id = 2; m1.name = "Priya"; m1.salary = 20000; m1.printData(); Salesman s1 = new Salesman(); s1.Id = 3; s1.name = "Devanshi"; s1.salary = 15000; s1.commission = 8000; s1.printData(); Console.WriteLine(p1.ToString()); Console.WriteLine(e1.ToString()); Console.WriteLine(m1.ToString()); Console.WriteLine(s1.ToString()); Person p2 = e1; Console.WriteLine(p2.ToString()); Square s = new Square(); s.length = 2; Console.WriteLine(s.area()); s.draw(); }