Understand the ARRAYLIST, HashTable, SortedList, and strings have a certain understanding of how to access a collection includes inserting a single and multiple, deleting a single and multiple data, sorting and more: "ASP.NET Secret (No. 1 Version)"
For example: three ways to havehtable, I list two
DictionaryTry Objitem
Foreach (Objitem in colhashtable)
Response.write ("
// HashTabel Each Item is an instance of a DictionaryEntry class
String strient
Foreach (stritem in colhashtable.keys)
Response.write ("
In terms of search, ArrayList's search time is O (N), and binarysearch () is O (log2n), but the latter needs to be sorted with sort () before search.
Insert, delete operations will not be summarized, you can check the MSDN, understand it quickly. :)
However, add data in these collections can be any type, including a class
