Enumerable.DefaultIfEmpty : Enumerable « System.Linq « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Linq
3. Enumerable

Enumerable.DefaultIfEmpty

 

using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;

public class MainClass {
    public static void Main() {
        string[] presidents = {"G", "H", "a", "H", "over", "Jack"};

        string name =
          presidents.Where(n => n.Equals("H")).DefaultIfEmpty("Missing").First(); Console.WriteLine(name);

    }
}

   
  

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