תרגילי חזרה, שאלה 1

using System;
using System.Collections.Generic;
using System.Text;

namespace TestExample28112021
{
    // part 1
    class Contact
    {
        private string name;
        private int phone;
        private string city;

        // part 2
        public Contact(string name, int phone, string city)
        {

        }

        // part 3
        public bool fromCity(string city)
        {
            if (this.city == city)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }
    // end of class Contact

    // part 4
    public static void part4(Contact[] arr)
    {
        string cityName;

        Console.Write("Enter city name: ");
        cityName = Console.ReadLine();

        for (int i = 0; i < arr.Length; i++)
        {
            //if (arr[i].getCity() == cityName) {
            if (arr[i].fromCity(cityName) == true)
            {
                Console.WriteLine(arr[i].getName());
            }
        }

    }

    // part 5
    public staic int find(Contact[] arr, string name)
    {
        for (int i = 0; i < arr.Length; i++)
        {
            if (arr[i].getName() == name)
            {
                return arr[i].getPhone();
            }
        }

    }
}