C# Array FindAll

Description

Array FindAllretrieves all the elements that match the conditions defined by the specified predicate.

Syntax

Array.FindAll has the following syntax.


public static T[] FindAll<T>(
  T[] array,
  Predicate<T> match
)

Parameters

Array.FindAll has the following parameters.

T - The type of the elements of the array.
array - The one-dimensional, zero-based Array to search.
match - The Predicate that defines the conditions of the elements to search for.

Returns

Array.FindAll method returns

Example


//from   ww w . j  av  a  2s  . c o m
using System;

public class MainClass
{
    public static void Main()
    {
        string[] myValues ={
            "1234", "19", "3456",
            "3456", "200","5678",
            "6543", "9876"
        };

        Predicate<string> myPredicate = LenCheck;
        Console.WriteLine(Array.FindAll(myValues, myPredicate));


    }
    private static bool LenCheck(String s)
    {
        if (s.Length > 3)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
}

The code above generates the following result.