Concat Method (String[])

String.Concat Method (String())

 

Concatenates the elements of a specified String array.

Namespace:   System
Assembly:  mscorlib (in mscorlib.dll)

Public Shared Function Concat (
	ParamArray values As String()
) As String

Parameters

values
Type: System.String()

An array of string instances.

Return Value

Type: System.String

The concatenated elements of values.

Exception Condition
ArgumentNullException

values is null.

OutOfMemoryException

Out of memory.

The method concatenates each object in values; it does not add any delimiters.

An Empty string is used in place of any null object in the array.

The following example demonstrates the use of the Concat method with a String array.

Public Class Example
    Public Shared Sub Main()
        ' Make an array of strings. Note that we have included spaces.
        Dim s As String() = { "hello ", "and ", "welcome ", "to ",
                              "this ", "demo! "}

        ' Put all the strings together.
        Console.WriteLine(String.Concat(s))

        ' Sort the strings, and put them together.
        Array.Sort(s)
        Console.WriteLine(String.Concat(s))
    End Sub
End Class
' The example displays the following output:
'       hello and welcome to this demo!
'       and demo! hello this to welcome

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Return to top
Show:
© 2016 Microsoft