You are developing an application. The application converts a Location object to a string by using a method
named WriteObject. The WriteObject() method accepts two parameters, a Location object and an
XmlObjectSerializer object.
The application includes the following code. (Line numbers are included for reference only.)
You need to serialize the Location object as a JSON object.
Which code segment should you insert at line 20?
A.
New DataContractSerializer(typeof(Location))
B.
New XmlSerializer(typeof(Location))
C.
New NetDataContractSenalizer()
D.
New DataContractJsonSerializer(typeof(Location))
Explanation:
The DataContractJsonSerializer class serializes objects to the JavaScript Object Notation (JSON) and
deserializes JSON data to objects.
Use the DataContractJsonSerializer class to serialize instances of a type into a JSON document and to
deserialize a JSON document into an instance of a type.
A
A does not serialize location object as JSON
D :Confirmed
public void Dowork()
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Location));
var location = new Location { Label = “Test”, Direction = Compass.West };
System.IO.FileStream fs = new System.IO.FileStream(“D:\\hello.txt”, System.IO.FileMode.OpenOrCreate);
ser.WriteObject(fs, location);
Console.WriteLine(“Serialized”);
}
static void Main(string[] args)
{
Program p = new Program();
p.Dowork();
Console.ReadLine();
}