static void Main(string[] args)
{
Person p1 = new Person();
Person p2 = new Person();
p1.Name = "EDWARD";
p1.ID = 1234;
p2.Name = "SNOWDEN";
p2.ID = 4321;
p1.showInformation();
p2.showInformation();
Student s1 = new Student();
s1.Name = "Miraj";
s1.ID = 32444;
s1.CGPA = 3.61;
s1.StudentInformation();
Employee e1 = new Employee();
e1.Name = "MARK";
e1.ID = 45687;
e1.Salary = 100000000;
e1.EmployeeInformation();
}
