using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace _18索引器的使用
{
class Program
{
static void Main(string[] args)
{
//int[] nums = { 1, 2, 3, 4, 5 };
//Console.WriteLine(nums[2]);
Person p = new Person();
//p.Numbers = new int[] { 1, 2, 3, 4, 5 };
p[0] = 1;
p[1] = 2;
p[2] = 3;
p[3] = 4;
Console.WriteLine(p[0]);
Console.WriteLine(p[1]);
p["张三"] = "一个好人";
p["大黄"] = "汪汪汪";
p["春生"] = "哈哈哈";
Console.ReadKey();
}
}
class Person
{
private int[] numbers = new int[5];
public int[] Numbers
{
get { return numbers; }
set { numbers = value; }
}
//索引器 让对象以索引的方式操作数组
public int this[int index]
{
get { return numbers[index]; }
set { numbers[index] = value; }
}
Dictionary<string, string> dic = new Dictionary<string, string>();
public string this[string index]
{
get { return dic[index]; }
set { dic[index] = value; }
}
Dictionary<int, string> dic2 = new Dictionary<int, string>();
}
}
C# 类的索引器
最新推荐文章于 2024-11-05 22:00:00 发布