LINQ Distinct Method

In LINQ, the Distinct method or operator is used to get only the distinct elements from the collection.

Here is the pictorial representation of the LINQ Distinct method.

The LINQ Distinct method or operator is used to get only the distinct elements from the collection.

Syntax of LINQ Distinct Method

Here is the syntax of using distinct methods to get unique elements from the collection.

In the above syntax, we applied distinct method on "numbers" collection to get only the distinct elements from the collection.

Example of LINQ Distinct Method

Here is the example of the LINQ Distinct Method.

using System;
using System. Collections;
using System.Collections.Generic;
using System. Linq;
using System. Text;
using System.Threading.Tasks;
namespace ConsoleApp1
{
    class Programme2
    {
        static void Main(string[] args)
        {
//taking an array named countries type of string having the list of countries 
            string[] countries = { "UK", "India", "Australia", "uk", "india", "USA" };
//apply the Distinct method to find out the different country names 
            IEnumerable<string> result = countries.Distinct(StringComparer.OrdinalIgnoreCase);
    //with the help of foreach loop fetch each element from the list of the array
            foreach (var item in result)
            {
    /*with the help of WriteLine() function print the values of 
    the variable item having the output of the result*/ 
                Console.WriteLine(item);
            }
                Console.ReadLine();
        }

    }

    }

In the above example, we applied a Distinct method with StringComparer.OrdinalIgnoreCase case property, otherwise, it will perform the operation with case sensitivity on"countries" collection, and it will treat "India" and "india" as different.

Output: