import  java.io.*;
   
   class newstring implements Serializable
   {
  	  String str;
     public newstring( String instr )
     {
	     str = instr;
     }

     public String Tostring()
     {
	     return  str;
	  }
  }

  public  class  SerializableDemo
  {
     public  static  void main(String[] arg)
     {
  	      newstring  inobject,outobject;
  	      inobject = new  newstring("");
  	      outobject = new newstring("hello");
  	      try {
   		  FileOutputStream fileoutstream = new 
   		  FileOutputStream ("seri.data");
  		       ObjectOutputStream objectoutstream = new
   		  ObjectOutputStream(fileoutstream);
   		  objectoutstream.writeObject(outobject);
   		  objectoutstream.flush();
   		  objectoutstream.close();
   		  FileInputStream fileinstream = new 
   		  FileInputStream ("seri.data");
   		  ObjectInputStream objectinstream = new
   		  ObjectInputStream(fileinstream);
   		  inobject = (newstring)objectinstream.readObject();
   		  objectinstream.close();
   		  System.out.println("the string is:"+inobject.str);
   	  }
   	  catch(Exception e)
  		  {
  		      System.out.println(inobject);
    	  }
     }
  }