package  Serialization;

 public   class  MyClass  implements  java.io.Serializable
{
	 public  String name;
	 public  String surname;
	 public   int  age;
	
	 public  MyClass(String name, String surname,  int  age)
	{
		 this .name = name;
		 this .surname = surname;
		 this .age = age;		
	}
	
	 public  String toString()
	{
		 return  "Surname = \t" + surname + "\nName = \t\t" + name + "\nAge = \t\t" + age;
	}
}

 package  Serialization;
 import  java.io.*;
 import  java.util.*;

 public   class  Ser_Deser
{
	 public   static   void  main(String arg[])  throws  IOException
	{
		TreeSet<MyClass> ts =  new  TreeSet<MyClass>();
		
		MyClass ob1 =  new  MyClass("Anton", "Polyakov",  20 );
		MyClass ob2 =  new  MyClass("Sergei", "Androsov",  20 );
		
		
		ts.add(ob1);
		 if  ( ((TreeSet)(ts)).contains(((MyClass)(ob2))) )   // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
			System.out.println("YES !");
		
		
		FileOutputStream fos =  new  FileOutputStream("D:/text.prim");
		ObjectOutputStream oos =  new  ObjectOutputStream(fos);
		
		oos.writeObject(ts);
		oos.flush();
		
		oos.close();
		
		FileInputStream fis =  new  FileInputStream("D:/text.prim");
		ObjectInputStream ois =  new  ObjectInputStream(fis);
		
		TreeSet ts2 =  new  TreeSet();
		 try 
		{
			ts2 = (TreeSet)ois.readObject();
		}
		 catch (ClassNotFoundException cnfe)
		{
		}
		
		Iterator it = ts2.iterator();
		
		 while  ( it.hasNext() )	
		{
			MyClass ob = (MyClass)it.next();
			System.out.println(ob);
			System.out.println("--------------------");
		}
		
		
	}
}