Queue: Enqueue()
Dequeue()
Peek() //only get first element, not delete it
Stack: Count()
Clear()
Peek()
Pop()
Push()
CopyTo(array, offset) //copy to array
Dictionary/Hashtable: Keys //colleation of Keys,
Values //colleation of value
Count()
Clear()
Contains() // is element in hashtable
ContainsKey() // is Key in Hashtable
Item() //Indexer for hashtable
Add() // Add entry with Key/Value
GetEnumerator() // creat and return a Enumator object
Strings: string
Compare() Split()
Concat() StartsWith()
Equals() ToLower()/ToUpper()
Insert() Trim()
Format()
string.Compare(s1,s2); //case sensitive
string.Compare(s1,s2, true) //case not sensitive
string s3 = @"test \ .net"
string s6 string.Copy(s5);
string s7 = s6
S7 == S6
S7.Equals(s6)
string.Equals(s7,s6)
s7.Length
s3.EndWith("Test")
int offset = s3.indexOf("TEST") //first occurence
string s10 = s3.Insert(offset, "DDD");
string s11 = s3.Insert(s3.IndexOf("ddd"), "EEE");
s12.Split(delimiters)
Regex r = new Regex(" |,");
foreach( string s in r.Split(s12)) {}
StringBuilder
StringBuilder sb = new StringBuild();
Append()
ToString()
Regular Expresstions: using System.Text.RegularExpressions;
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