Hashtable.ContainsKey : HashTable « System.Collections « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Collections
3. HashTable

Hashtable.ContainsKey

  
using System;
using System.Collections;

class MainClass
{

  public static void Main()
  {
    Hashtable myHashtable = new Hashtable();

    myHashtable.Add("AL", "Alabama");
    myHashtable.Add("CA", "California");
    myHashtable.Add("FL", "Florida");
    myHashtable.Add("NY", "New York");
    myHashtable.Add("WY", "Wyoming");

    foreach (string myKey in myHashtable.Keys)
    {
      Console.WriteLine("myKey = " + myKey);
    }
    foreach(string myValue in myHashtable.Values)
    {
      Console.WriteLine("myValue = " + myValue);
    }
    
    if (myHashtable.ContainsKey("FL"))
    {
      Console.WriteLine("myHashtable contains the key FL");
    }
  }
}

   
    
  

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