Count with string operator : Count « LINQ « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. LINQ
3. Count

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"};

        int count = presidents.Count(s => s.StartsWith("H"));
        Console.WriteLine(count);

    }
}