C# List Exists

Description

List Exists determines whether the List contains elements that match the conditions defined by the specified predicate.

Syntax

List.Exists has the following syntax.

public bool Exists(
  Predicate<T> match
)

Parameters

List.Exists has the following parameters.

• match - The Predicate delegate that defines the conditions of the elements to search for.

Returns

List.Exists method returns true if the List contains one or more elements that match the conditions defined by the specified predicate; otherwise, false.

Example

using System;//from w w  w  . j a v  a 2  s  . c  om
using System.Collections.Generic;

public class Example
{
    public static void Main()
    {
        List<string> myData = new List<string>();

        myData.Add("B");
        myData.Add("D");
        Console.WriteLine(myData.Exists(MyCondition));
    }
    private static bool MyCondition(String s)
    {
        return s.ToLower().EndsWith("a");
    }
}

The code above generates the following result.