Create a file stream using new keyword

using System;
using System.IO;
 
 
class MainClass {
    static void Main() {
        using (FileStream fs = new FileStream("test.bin", FileMode.Create)) {
            using (BinaryWriter w = new BinaryWriter(fs)) {
w.Write(124.23M);
w.Write("Tstring");
w.Write("Tstring 2");
w.Write('!');
            }
        }
        Console.WriteLine("Press Enter to read the information.");
        Console.ReadLine();
 
 
        using (FileStream fs = new FileStream("test.bin", FileMode.Open)) {
            using (StreamReader sr = new StreamReader(fs)) {
Console.WriteLine(sr.ReadToEnd());
Console.WriteLine();
 
 
fs.Position = 0;
using (BinaryReader br = new BinaryReader(fs)) {
    Console.WriteLine(br.ReadDecimal());
    Console.WriteLine(br.ReadString());
    Console.WriteLine(br.ReadString());
    Console.WriteLine(br.ReadChar());
}
            }
        }
    }
}