using System;

​

namespace OOP1

{

    public class Program

    {

        public static void Main(string[] args)

        {

            Person[] people = new Person[3];

​

            people[0] = new Person("Brian", "Cox", 50, "M", "British", 1.85);

            people[1] = new Person("Jane", "Leg", 12, "F", "British", 1.6);

            people[2] = new Person("Dave", "Small", 48, "M", "British", 2.0);

            //to complete

            people[0].setAge(20);

            people[0].setSex("M");

​

            //an example of using an array and method of a class

            for(int i = 0; i < 3; i ++)

            {

              people[i].sayHello();

            }

            //people[0].sayHello();

​

            //bool adult = CheckAge(people); //call to CheckAge function - needs to be finished

            //output who is an adult or not

​

        }

​

        //define class

        public class Person

        {

            //DEFINE attributes

            private string Firstname;

            private string Surname;

            private int Age;

            private string Sex;

            private string Nationality;

            private double Height;

​

            //constructor method - A PROCEDURE used to INSTANTIATE AN OBJECT //new

            public Person(string f, string s, int a, string sex, string nation, double h)

            {

                Firstname = f;  // THE F BIT IS BEING PASSED IN, it is setting the FIRSTNAME

                Surname = s;

                Age = a;

                Sex = sex;

                Nationality = nation;

                Height = h;

            }

​

            public virtual void sayHello()

            {

                Console.WriteLine("HELLO my name is {0} {1}!", Firstname, Age," My sex is {2}!", Sex);

            }

​

            public int getAge()

            {

                return Age;

            }

            public void setAge(int ageIn) //20 comes in here

            {

                Age = ageIn; //attribute value for object is changed to 20

            }

            public string getSex()

            {

                return Sex;

            }

            public void setSex(string sexIn)

            {

                Sex = sexIn;

            }

​

​

        }

​

        public int CheckAge(Person[] people)

        {

            int count=0;

            for(int i = 0; i < 3; i ++)

            {

                if (people[i].getAge()>18)

                {

                    count=count+1;

                }

            }

            Console.WriteLine("There are {0} people over 18", count);

            return count;

        }

        public int CheckSex(Person[] people)

        {

            int male=0;

            int female=0;

            for(int i = 0; i < 3; i ++)

            {

                if (people[i].getSex()=="F")

                {

                    female=female+1;

                }

                else

                {

                    male=male+1;

                }

            }

            Console.WriteLine("There are {0} males and {1} females", male, female);

            return male;

            return female;

        }

    }

}

​