What will be the output of the following Java program?

import java.io.*;
class streams
{
    public static void main(String[] args) 
    {
        try
        {
      FileOutputStream fos = new FileOutputStream("serial");
      ObjectOutputStream oos = new ObjectOutputStream(fos);
            oos.writeFloat(3.5);
            oos.flush();
            oos.close();
  }
  catch(Exception e)
        {
      System.out.println("Serialization" + e);
            System.exit(0);
        }
  try 
        {
      float x;
      FileInputStream fis = new FileInputStream("serial");
      ObjectInputStream ois = new ObjectInputStream(fis);
            x = ois.readInt();
            ois.close();
      System.out.println(x);		    	
  }
  catch (Exception e)
        {
            System.out.print("deserialization");
      System.exit(0);
  }
    }
}

A. 3

B. 3.5

C. serialization

D. deserialization

Answer: Option B