class Program 
{ 
 static void Main(string[] args) 
 { 
 List<string> names = new List<string>(); 
 names.Add("Sunny Chen"); 
 names.Add("Kitty Wang"); 
 names.Add("Sunny Crystal"); 
 
 List<string> found = names.FindAll 
  ( 
  // Lambda Expression Implementation 
  name => name.StartsWith( 
  "sunny", 
  StringComparison.OrdinalIgnoreCase) 
  ); 
 
 if (found != null) 
 { 
  foreach (string str in found) 
  Console.WriteLine(str); 
 } 
 } 
}

() => Console.WriteLine("Hello!"); 

class Program 
{ 
 static void Main(string[] args) 
 { 
 // Lambda 表达式 
 Func<int, bool> dele1 = n => n > 10; 
 // Lambda 语句 
 Func<int, bool> dele2 = (int n) => { return n > 10; }; 
 Console.WriteLine(dele1(16)); 
 Console.WriteLine(dele1(8)); 
 }
}

// ok
Expression<Func<int, bool>> expr1 = n => n > 10;
// error: cannot converted to an expression tree
Expression<Func<int, bool>> expr2 = (int n) => { return n > 10; };