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C# program to get the keys in a SortedList object (Example of Keys Property)

C# SortedList.Keys Property: Here, we are going to learn how to get the keys in a SortedList object in C#.Net?
Submitted by Nidhi, on April 27, 2021

The Keys property of SortedList class is used to get the keys in a SortedList object.

Syntax:

    ICollection SortedList.Keys

Return value:

It returns the stored keys, we can access keys one by one using the for each loop.

Program:

The source code to get the keys in a SortedList object is given below. The given program is compiled and executed successfully.

using System;
using System.Collections;

class SortedListEx
{
    //Entry point of Program
    static public void Main()
    {
        //Creation of SortedList object
        SortedList list = new SortedList();
     
        //Add elements to SortedList 
        list.Add(101, "India    ");
        list.Add(105, "America  ");
        list.Add(102, "Australia");
        list.Add(103, "Africa   ");
        list.Add(104, "Canada   ");

        Console.WriteLine("Keys are:");
        foreach (int key in list.Keys)
        {
            Console.WriteLine(key);
        }
    }
}

Output:

Keys are:
101
102
103
104
105
Press any key to continue . . .

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