below is nearly a suggested solution for the last quiz, there are a bit differences , but idea is identical
good luck for all
using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
namespace Hash_ArrayListPro
{
class Program
{
public static Hashtable geo_info = new Hashtable();
static void Main(string[] args)
{
for (int i = 0; i < 3; i++)
{
Console.WriteLine("Enter country ");
string country = Console.ReadLine();
Console.WriteLine("Enter country area");
object area = Console.ReadLine();
geo_info.Add(country, area);
} // end for
Console.WriteLine("Geographic information are:");
foreach (Object Key in geo_info.Keys)
{
Console.WriteLine(" {0} Area is : {1}", Key, geo_info[Key]);
}
Console.WriteLine("enter the country name you want to modify its area");
string key1 = Console.ReadLine();
if (geo_info.Contains(key1))
{
geo_info[key1] = 111.1111;
Console.WriteLine("Geographic information After Modification:");
foreach (Object Key in geo_info.Keys)
{
Console.WriteLine(" {0} Area is : {1}", Key, geo_info[Key]);
}
}
else
{
Console.WriteLine("Not exists Country");
}
ArrayList list = new ArrayList();
list.Add("ali");
list.Add(88);
list.Add('B');
foreach (object x in list)
Console.WriteLine(x);
Console.WriteLine(list.Count);
Console.ReadLine();
list.Insert(1,"hasan");
list.Reverse();
foreach (object x in list)
Console.WriteLine(x);
}// end main
}
}
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