Dictionary

Dictionary
创建
Dictionary<int ,string> dic=new Dictionary<int ,string>();
dic.Add(1,"张三");
dic.Add(2,"李四");
dic.Add(3,"王五");
dic[1]="新来的";
//foreach(int item in dic.Keys)
//{
// Console.WriteLine("{0}---{1}",item,dic[item]);
//}
//更洋气的写法
foreach(KeyValuePair<int,string> kv in dic)
{
Console.WriteLine("{0}---{1}",kv.Key,kv.Value);
}