C#之params参数使用

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Params_test
{
class Program
{
int Sum(params int[] i)          //求不定数量的整数之和
{
int sum = 0;
foreach (int k in i)
{
sum += k;
}
return sum;
}
static void Main()
{
Program p = new Program();
int sum;
sum=p.Sum(1, 2, 3);
Console.WriteLine(sum);
}
}
}