StringBuilder Performance Test

  
Imports System

Public Class MainClass

  Shared Sub Main()
        Dim i As Integer
        Dim StartTime As New DateTime()
        Dim EndTime As New DateTime()
        StartTime = DateTime.Now()
        Dim theText As New System.Text.StringBuilder()
        For i = 1 To 50000
            theText = theText.Append("A")
        Next
        EndTime = DateTime.Now
        Dim answer1, answer2 As Long
        answer1 = EndTime.Ticks() - StartTime.Ticks()
        StartTime = DateTime.Now()
        Dim aString As String = ""
        For i = 1 To 50000
            aString = aString & "A"
        Next
        EndTime = DateTime.Now
        answer2 = (EndTime.Ticks() - StartTime.Ticks()) 
        Console.WriteLine("StringBuilder was " & answer2 / answer1 & " times faster.")
  End Sub


End Class

Related examples in the same category

1.	Use StringBuilder for fast processing strings
2.	StringBuilder: Char and Replace
3.	Demonstrating StringBuilder class constructors
4.	StringBuilder Length and Capacity
5.	Use StringBuilder Indexer
6.	StringBuilder Append methods
7.	StringBuilder method AppendFormat
8.	Insert and Remove of the StringBuilder class
9.	StringBuilder Replace method
10.	Append String to StringBuilder
11.	Append bool data type values to a StringBuilder object.
12.	Append SByte data type values to a StringBuilder object.
13.	Insert String to StringBuilder
14.	Insert char array to StringBuilder
15.	Insert Object to StringBuilder
16.	Insert xInt32 to StringBuilder
17.	Insert System.SByte to StringBuilder
18.	StringBuilder Class represents a mutable string of characters
19.	Append three characters (D, E, and F) to the end of the StringBuilder
20.	Append a format string to the end of the StringBuilder
21.	Display the number of characters in the StringBuilder and its string
22.	Insert a string at the beginning of the StringBuilder
23.	Replace all uppercase A's with lowercase A's
24.	TextElementEnumerator Class enumerates the text elements of a string.
25.	TextInfo.ToTitleCase Converts the specified string to titlecase.
26.	FieldAttributes Enumeration specifies flags that describe the attributes of a field.
27.	BindingFlags.Public Or BindingFlags.Instance
28.	BindingFlags.Public Or BindingFlags.Static
29.	FileStream Class Exposes a Stream around a file
30.	FileStream("c:\Variables.txt", FileMode.Append, FileAccess.Write, FileShare.Write)
31.	Marks each type of member that is defined as a derived class of MemberInfo.
32.	StringBuilder Class represents a mutable string of characters
33.	Create StringBuilder class that starts with a specified capacity and can grow to a specified maximum.
34.	Create StringBuilder class using the specified string.
35.	Create StringBuilder class using the specified string and capacity.
36.	Create StringBuilder class from the specified substring and capacity.
37.	Appends various data to StringBuilder
38.	StringBuilder.AppendFormat Method
39.	StringBuilder.AppendLine Method appends line terminator to the end of the current StringBuilder object.
40.	StringBuilder.Capacity Property gets or sets the maximum number of characters that can be contained
41.	StringBuilder.Clear Method removes all characters from the current StringBuilder instance.
42.	StringBuilder.Insert Method
43.	StringBuilder.Remove removes the specified range of characters from this instance.
44.	StringBuilder.Replace replaces all occurrences of a character in this instance with another specified character.

StringBuilder Performance Test : StringBuilder « Language Basics « VB.Net

Related examples in the same category