“Linq” Réponses codées

Linq

using System;
using System.Collections.Generic;
using System.Linq;
					
public class Program
{
	public static void Main()
	{
        // A list of employees, which would come from a database
		var emps = new List<Employee>
		{
			new Employee { Name = "Ann", Age = 31, Gender = "F", Salary = 50000 },
			new Employee { Name = "Brian", Age = 25, Gender = "M", Salary = 40000 },
			new Employee { Name = "Cara", Age = 50, Gender = "F", Salary = 65000 },
			new Employee { Name = "Dave", Age = 33, Gender = "M", Salary = 52000 }
		};
		
        // Loop through them all to find the highest salary
		var highestSalary = 0m;
		var highestSalaryName = "";
		foreach (var emp in emps)
		{
			if (emp.Salary > highestSalary)
			{
				highestSalary = emp.Salary;
				highestSalaryName = emp.Name;
			}
		}
		Console.WriteLine($"{highestSalaryName} earns the highest salary of ${highestSalary}.\r\n");
        	// output: Cara earns the highest salary of $65000.

        // Same thing, but a single line of LINQ
		var winner = emps.OrderByDescending(emp => emp.Salary).First();
		Console.WriteLine($"{winner.Name} earns the highest salary of ${winner.Salary}.\r\n");
			// output: Cara earns the highest salary of $65000.

        // If we don't care about who, our LINQ gets even shorter
		Console.WriteLine($"The highest salary is ${emps.Max(emp => emp.Salary)}.\r\n");
        	// output: The highest salary is $65000.
	}
}

public class Employee
{
	public string Name { get; set; }
	public int Age { get; set; }
	public decimal Salary { get; set; }
	public string Gender { get; set; }
}