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Remove the element at the specified index of the ArrayList in C#
To remove the element at the specified index of the ArrayList, the code is as follows −
Example
using System;
using System.Collections;
public class Demo {
public static void Main(String[] args) {
ArrayList list1 = new ArrayList();
list1.Add("A");
list1.Add("B");
list1.Add("C");
list1.Add("D");
list1.Add("E");
list1.Add("F");
list1.Add("G");
list1.Add("H");
list1.Add("I");
Console.WriteLine("Elements in ArrayList1...");
foreach (string res in list1) {
Console.WriteLine(res);
}
ArrayList list2 = new ArrayList();
list2.Add("A");
list2.Add("B");
list2.Add("C");
list2.Add("D");
list2.Add("E");
list2.Add("F");
list2.Add("G");
list2.Add("H");
list2.Add("I");
Console.WriteLine("Elements in ArrayList2...");
foreach (string res in list2)
{
Console.WriteLine(res);
}
Console.WriteLine("Count of elements in ArrayList2 = " + list2.Count);
list2.RemoveAt(5);
Console.WriteLine("Count of elements in ArrayList2 (Updated) = " + list2.Count);
}
}Output
This will produce the following output −
Elements in ArrayList1... A B C D E F G H I Elements in ArrayList2... A B C D E F G H I Count of elements in ArrayList2 = 9 Count of elements in ArrayList2 (Updated) = 8
Example
Let us see another example −
using System;
using System.Collections;
public class Demo {
public static void Main(String[] args) {
ArrayList list1 = new ArrayList();
list1.Add("Laptop");
list1.Add("Dektop");
list1.Add("Wearables");
list1.Add("Tablet");
list1.Add("Notebook");
list1.Add("Ultrabooks");
Console.WriteLine("Elements in ArrayList1...");
foreach (string res in list1) {
Console.WriteLine(res);
}
Console.WriteLine("Count of elements in ArrayList = " + list1.Count);
list1.RemoveAt(2);
Console.WriteLine("Count of elements in ArrayList (Updated) = " + list1.Count);
}
}Output
This will produce the following output −
Elements in ArrayList1... Laptop Dektop Wearables Tablet Notebook Ultrabooks Count of elements in ArrayList = 6 Count of elements in ArrayList (Updated) = 5
Updated on: 05-Dec-2019
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