using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace learn_function
{
internal class Program
{
// 参数数组
static void AAA(string aaa, params int[] bbb)
{
Console.WriteLine(aaa);
Console.WriteLine(bbb);
}
// 引用参数
static void BBB(ref int aaa, int[] bbb)
{
aaa++;
bbb[0] = 3;
}
// 输出参数
static void CCC( int aaa, out int bbb)
{
aaa++;
bbb = aaa;
}
// return多个值
static Tuple<int, int> DDD(int aaa, int bbb)
{
int ccc = aaa;
aaa = bbb;
bbb = ccc;
return new Tuple<int, int>(aaa, bbb);
}
static void Main(string[] args)
{
// 参数数组
AAA("abc", 1, 2, 3);
// 引用参数
int a = 1;
int[] c = { 1, 2, 3 };
// 引用参数后不需要返回,传入的参数直接就变了; 列表在函数中默认就是引用参数
BBB(ref a,c);
Console.WriteLine($"{a}");
for (int i = 0; i < c.Length; i++)
{
Console.WriteLine(c[i]);
}
// 输出参数
int b = 1;
int d;
CCC(b,out d);
Console.WriteLine(d);
// 使用函数输出元组
var e = DDD(111,222);
Console.WriteLine(e);
Console.ReadKey();
}
}
}
输出
abc
System.Int32[]
2
3
2
3
2
(222, 111)
标签:aaa,函数,C#,bbb,System,int,WriteLine,Console
From: https://www.cnblogs.com/yingyingdeyueer/p/17054378.html