UTF8Encoding.GetHashCode Method
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Returns the hash code for the current instance.
public:
override int GetHashCode();C#
public override int GetHashCode();override this.GetHashCode : unit -> intPublic Overrides Function GetHashCode () As IntegerThe hash code for the current instance.
The following example uses the GetHashCode method to return a hash code for UTF8Encoding instances. Notice that the hash code returned by this method depends on the constructor used to create the UTF8Encoding object.
using namespace System;
using namespace System::Text;
int main()
{
// Many ways to instantiate a UTF8 encoding.
UTF8Encoding^ UTF8a = gcnew UTF8Encoding;
Encoding^ UTF8b = Encoding::UTF8;
Encoding^ UTF8c = gcnew UTF8Encoding( true,true );
Encoding^ UTF8d = gcnew UTF8Encoding( false,false );
// But not all are the same.
Console::WriteLine( UTF8a->GetHashCode() );
Console::WriteLine( UTF8b->GetHashCode() );
Console::WriteLine( UTF8c->GetHashCode() );
Console::WriteLine( UTF8d->GetHashCode() );
}
C#
using System;
using System.Text;
class UTF8EncodingExample {
public static void Main() {
// Many ways to instantiate a UTF8 encoding.
UTF8Encoding UTF8a = new UTF8Encoding();
Encoding UTF8b = Encoding.UTF8;
Encoding UTF8c = new UTF8Encoding(true, true);
Encoding UTF8d = new UTF8Encoding(false, false);
// But not all are the same.
Console.WriteLine(UTF8a.GetHashCode());
Console.WriteLine(UTF8b.GetHashCode());
Console.WriteLine(UTF8c.GetHashCode());
Console.WriteLine(UTF8d.GetHashCode());
}
}
Imports System.Text
Class UTF8EncodingExample
Public Shared Sub Main()
' Many ways to instantiate a UTF8 encoding.
Dim UTF8a As New UTF8Encoding()
Dim UTF8b As Encoding = Encoding.UTF8
Dim UTF8c = New UTF8Encoding(True, True)
Dim UTF8d = New UTF8Encoding(False, False)
' But not all are the same.
Console.WriteLine(UTF8a.GetHashCode())
Console.WriteLine(UTF8b.GetHashCode())
Console.WriteLine(UTF8c.GetHashCode())
Console.WriteLine(UTF8d.GetHashCode())
End Sub
End Class
| Toode | Versioonid |
|---|---|
| .NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1 |
| UWP | 10.0 |
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