LINQ - query & method syntax 2

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

namespace LearnLinq
{
  class Program
  {
    static void Main()
    {
      string[] heroes = { "D. Va", "Lucio", "Mercy", "Soldier 76", "Pharah", "Reinhardt" };

      // Method 1: from - where - select query
      var heroesWithI = from hero in heroes
          where hero.Contains("i")
          select hero;
      // Method 2: Method query using lambda - Where()
      //var heroesWithI = heroes.Where(hero => hero.Contains("i"));

      foreach (string s in heroesWithI)
      {
      Console.WriteLine(s);
      }

      //from - select query
      var underscored = from hero in heroes
          select hero.Replace(" ", "_");

      foreach (string s in underscored)
      {
      Console.WriteLine(s);
      }

    }
  }
}