c#集合的遍历

最新推荐文章于 2024-08-28 16:49:10 发布

原创最新推荐文章于 2024-08-28 16:49:10 发布 · 973 阅读

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文章标签：

#遍历 #String #Dictionary #hashtable

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1、ArrayList的遍历

foreach
( Object obj in
myList ) 
{ 
 Console.Write(
"   {0}", obj );
}

2、Hashtable的遍历

for(DictionaryEntry   de  
in   ht)   
//ht为一个Hashtable实例  
 { 
     Console.WriteLine(de.Key);//de.Key对应于key/value键值对key 
     Console.WriteLine(de.Value);//de.Key对应于key/value键值对value 
 }

3、List<T>的遍历

List<String>  myList=new
List<String>() 
foreach(String item
in myList) 
{ 
 console.writelist(item);
}

4、Dictionary<T,V>的遍历

Dictionary<string,string> openWith=new
Dictionary<string,string>();
 
foreach( KeyValuePair<string,
string> kvp
in openWith )
      {
          Console.WriteLine("Key = {0}, Value = {1}", 
              kvp.Key, kvp.Value);
      }
 
Dictionary<string,
string>.ValueCollection valueColl = openWith.Values;
 
      foreach(
string s 
in valueColl ) 
      {
          Console.WriteLine("Value = {0}", s);
      }