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Get or set the element at the specified index in ArrayList in C#
To get or set the element at the specified index in ArrayList, the code is as follows −
Example
using System; using System.Collections; public class Demo { public static void Main() { ArrayList arrList = new ArrayList(); arrList.Add("Laptop"); arrList.Add("Desktop"); arrList.Add("Notebook"); arrList.Add("Ultrabook"); arrList.Add("Tablet"); arrList.Add("Headphone"); arrList.Add("Speaker"); Console.WriteLine("Elements in ArrayList..."); foreach(string str in arrList) { Console.WriteLine(str); } Console.WriteLine("Element at index 5 = " + arrList[5]); } }
Output
This will produce the following output −
Elements in ArrayList... Laptop Desktop Notebook Ultrabook Tablet Headphone Speaker Element at index 5 = Headphone
Example
Let us see another example −
using System; using System.Collections; public class Demo { public static void Main() { ArrayList arrList = new ArrayList(); arrList.Add("Laptop"); arrList.Add("Desktop"); arrList.Add("Notebook"); arrList.Add("Ultrabook"); arrList.Add("Tablet"); arrList.Add("Headphone"); arrList.Add("Speaker"); Console.WriteLine("Elements in ArrayList..."); foreach(string str in arrList) { Console.WriteLine(str); } Console.WriteLine("Element at index 5 = " + arrList[5]); arrList[5] = "SSD"; Console.WriteLine("Element at index 5 (Updated) = " + arrList[5]); } }
Output
This will produce the following output −
Elements in ArrayList... Laptop Desktop Notebook Ultrabook Tablet Headphone Speaker Element at index 5 = Headphone Element at index 5 (Updated) = SSD
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