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List<T>.Remove() method with example in C#
C# List<T>.Remove() method: Here, we are going to learn about the Remove() method of List with example.
Submitted by IncludeHelp, on March 14, 2019
C# List<T>.Remove() Method
List<T>.Remove() method is used to remove a given item from the list.
Syntax:
bool List<T>.Remove(T item);
Parameter: It accepts an item of type T to delete from the list.
Return value: It returns a Boolean value, if item deleted successfully – it returns true, if item was not found in the list – it returns false.
Example:
int list declaration:
List<int> a = new List<int>();
adding elements:
a.Add(10);
a.Add(20);
a.Add(30);
a.Add(40);
a.Add(50);
removing elements
a.Remove(10) //will return true
a.Remove(40) //will return true
a.Remove(60) //will return false
Output:
20 30 50
C# Example to remove items from the list using List<T>.Remove() Method
using System;
using System.Text;
using System.Collections.Generic;
namespace Test
{
class Program
{
static void printList(List<int> lst)
{
//printing elements
foreach (int item in lst)
{
Console.Write(item + " ");
}
Console.WriteLine();
}
static void Main(string[] args)
{
//integer list
List<int> a = new List<int>();
//adding elements
a.Add(10);
a.Add(20);
a.Add(30);
a.Add(40);
a.Add(50);
//print the list
Console.WriteLine("list elements...");
printList(a);
//remove elements
if (a.Remove(10))
Console.WriteLine("10 is removed.");
else
Console.WriteLine("10 does not exist in the list.");
if (a.Remove(40))
Console.WriteLine("20 is removed.");
else
Console.WriteLine("20 does not exist in the list.");
if (a.Remove(100))
Console.WriteLine("100 is removed.");
else
Console.WriteLine("100 does not exist in the list.");
//list after removing the elements
Console.WriteLine("list elements after removing elements...");
printList(a);
//hit ENTER to exit
Console.ReadLine();
}
}
}
Output
list elements...
10 20 30 40 50
10 is removed.
20 is removed.
100 does not exist in the list.
list elements after removing elements...
20 30 50