class Pet
{
    public string Name { get; set; }
    public int Age { get; set; }
}

public static void MaxEx2()
{
    Pet[] pets = { new Pet { Name="Barley", Age=8 },
                   new Pet { Name="Boots", Age=4 },
                   new Pet { Name="Whiskers", Age=1 } };

    // Add Pet.Age to the length of Pet.Name
    // to determine the "maximum" Pet object in the array.
    int max =
        pets.AsQueryable().Max(pet => pet.Age + pet.Name.Length);

    Console.WriteLine(
        "The maximum pet age plus name length is {0}.",
        max);
}

List<long> longs = new List<long> { 4294967296L, 466855135L, 81125L };

long max = longs.AsQueryable().Max();

Console.WriteLine("The largest number is {0}.", max);

//引入命名空间
using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;

public class MainClass {
    public static void Main() {
        int[] myInts = new int[] { 974, 2, 7, 1374, 27, 54 };
        int maxInt = myInts.Max();
        Console.WriteLine(maxInt);
    }
}

//引入命名空间
using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
public class Employee {
    public int birthYear;
    public string firstName;
    public string lastName;

    public static Employee[] GetEmployees() {
        Employee[] actors = new Employee[] {
        new Employee { birthYear = 1964, firstName = "K", lastName = "R" },
        new Employee { birthYear = 1968, firstName = "O", lastName = "W" },
        new Employee { birthYear = 1960, firstName = "J", lastName = "S" },
        new Employee { birthYear = 1964, firstName = "S", lastName = "B" },
      };
        return (actors);
    }
}
public class MainClass {
    public static void Main() {
        int youngestEmployeeAge = Employee.GetEmployees().Max(a => a.birthYear);
        Console.WriteLine(youngestEmployeeAge);
    }
}