illustrates the use of the SortedList methods : SortedList « Collections Data Structure « C# / C Sharp

1. C# / C Sharp
2. Collections Data Structure
3. SortedList

illustrates the use of the SortedList methods

   
/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example11_9.cs illustrates the use of the SortedList methods
*/

using System;
using System.Collections;

public class Example11_9
{

  public static void Main()
  {

    // create a SortedList object
    SortedList mySortedList = new SortedList();

    // add elements containing US state abbreviations and state
    // names to mySortedList using the Add() method
    mySortedList.Add("NY", "New York");
    mySortedList.Add("FL", "Florida");
    mySortedList.Add("AL", "Alabama");
    mySortedList.Add("WY", "Wyoming");
    mySortedList.Add("CA", "California");

    // display the keys for mySortedList using the Keys property
    foreach (string myKey in mySortedList.Keys)
    {
      Console.WriteLine("myKey = " + myKey);
    }

    // display the values for mySortedList using the Values property
    foreach(string myValue in mySortedList.Values)
    {
      Console.WriteLine("myValue = " + myValue);
    }

    // use the ContainsKey() method to check if mySortedList
    // contains the key "FL"
    if (mySortedList.ContainsKey("FL"))
    {
      Console.WriteLine("mySortedList contains the key FL");
    }

    // use the ContainsValue() method to check if mySortedList
    // contains the value "Florida"
    if (mySortedList.ContainsValue("Florida"))
    {
      Console.WriteLine("mySortedList contains the value Florida");
    }

    // use the Remove() method to remove FL from mySortedList
    Console.WriteLine("Removing FL from mySortedList");
    mySortedList.Remove("FL");

    // get the key at index 3 using the GetKey() method
    string keyAtIndex3 = (string) mySortedList.GetKey(3);
    Console.WriteLine("The key at index 3 is " + keyAtIndex3);

    // get the index of the element with the key "NY"
    // using the IndexOfKey() method
    int myIndex = mySortedList.IndexOfKey("NY");
    Console.WriteLine("The index of NY is " + myIndex);

    // get the index of the element with the value "New York"
    // using the IndexOfValue() method
    myIndex = mySortedList.IndexOfValue("New York");
    Console.WriteLine("The index of New York is " + myIndex);

    // replace the value of the element at myIndex with "New York State"
    // using the SetByIndex() method
    Console.WriteLine("Replacing the value New York with New York State");
    mySortedList.SetByIndex(myIndex, "New York State");

    // get the key list using the GetKeyList() method
    Console.WriteLine("Getting the key list");
    IList myKeyList = mySortedList.GetKeyList();
    foreach(string myKey in myKeyList)
    {
      Console.WriteLine("myKey = " + myKey);
    }

    // get the value list using the GetValueList() method
    Console.WriteLine("Getting the value list");
    IList myValueList = mySortedList.GetValueList();
    foreach(string myValue in myValueList)
    {
      Console.WriteLine("myValue = " + myValue);
    }

  }

}

           
         
    
    
  

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