static void Main(string[] args) { /*since all the emplooyes are of type Employee (parent) we would have to use over ride key word for all the methods in derived class and use * virtual key word for the method in parent class*/ Employee[] employees = new Employee[4]; employees[0] = new Employee(); employees[1] = new PartTimeEmployee(); employees[2] = new FullTimeEmployee(); employees[3] = new TemperoryEmployee(); foreach (Employee e in employees) { e.PrintFullName(); } System.Console.ReadLine(); }
static void Main(string[] args) { //class library execution //Interface1 i1 = new inter1(); //i1.print(); inter2 i2 = new inter2(); i2.print(); i2.print1(); AbstractProgram a1 = new abs1(); AbstractProgram a2 = new abs2(); a1.print(); a2.print(); Console.WriteLine("Enter the register number"); var ing = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Enter the Name"); var ing1 = Console.ReadLine(); properties t1 = new properties(); t1.SetRegNo(ing); t1.SetName(ing1); Console.WriteLine("the register number is {0}", +t1.GetRegNo()); Console.WriteLine("the name of the student is {0}", t1.GetName()); #endregion //creating a fulltime employee instance to use the base class features FullTImeEmploye FTE = new FullTImeEmploye(); //now we can access the base class field like firstname and lastname FTE.firstname = "ashwin"; FTE.lastname = "kumar"; //now printing the first and last name values in the console writeline code in the base class //emp is a method of the base class..fulltime emp using the base class properties. FTE.emp(); // Console.ReadLine(); PartTimeEmployee PTE = new PartTimeEmployee(); //to display the method on the base class instead of derived we can use this instance. // Employee PTE = new PartTimeEmployee(); //parent class ref variable can point child class, but child class cant refernce parent class eg: partTimeemp=new employee //itz wrong PTE.firstname = "Raja"; PTE.lastname = "Kat"; //or we can call the base class method with type castiing //((Employee)PTE).emp();//this will call the base class method emp directly.employee is the class name and object and .Method name PTE.emp(); Console.ReadLine(); //poly Poly1[] poly = new Poly1[4]; poly[0] = new Poly1(); poly[1] = new FullTimeEmploye(); poly[2] = new PartTimeEmploye(); poly[3] = new TemperoryEmployee(); foreach (var poly2 in poly) { poly2.emp(); } }