C# NewtonJson Serialize and deserialize

usingSystem;usingSystem.Collections.Generic;usingSystem.Diagnostics;usingSystem.IO;usingSystem.Threading;usingNewtonsoft.Json;usingSystem.Text;namespaceConsoleApp3
{classProgram
{staticvoidMain(string[]args)
{
DictionaryJsonDemo();
Console.ReadLine();
}staticvoidDictionaryJsonDemo()
{
Dictionary<string,string>dic=newDictionary<string,string>();for(inti=0;i<10;i++)
{stringkey=Guid.NewGuid().ToString();
dic.Add(key,key);
}varserializedJson=JsonConvert.SerializeObject(dic,Formatting.Indented);
Console.WriteLine(“Serializedjson:”);
Console.WriteLine(serializedJson);
WriteContentToJson(serializedJson);
Dictionary<string,string>deserializedDic=JsonConvert.DeserializeObjectstring,string>>(serializedJson);foreach(vardindeserializedDic)
{
Console.WriteLine($”Key:{d.Key},Value:{d.Value}”);
}
}staticvoidWriteContentToJson(stringmsg)
{stringjsonFile=@”..\..\..\Resource\JsonFile.json”;using(StreamWritermsgWriter=newStreamWriter(jsonFile,false,Encoding.UTF8))
{
msgWriter.WriteLine(msg);
}
}
}