C# Collection Contains

Description

determines whether an element is in the Collection.

Syntax


public bool Contains(
  T item
)

Parameters

  • item - The object to locate in the Collection. The value can be null for reference types.

Returns

Collection.Contains method returns true if item is found in the Collection; otherwise, false.

Example


// w w  w. java 2  s .  c  o  m
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;

public class Demo
{
    public static void Main()
    {
        Collection<string> myData = new Collection<string>();

        myData.Add("A");
        myData.Add("B");
        myData.Add("C");
        myData.Add("D");

        Console.WriteLine(myData.Contains("A"));
    }
}

The code above generates the following result.





















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