ClassSerializationIO

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;


public class ClassSerializationIO {

    public static Object readObject( String objectName ) throws FileNotFoundException, IOException, ClassNotFoundException{

        ObjectInputStream in = new ObjectInputStream( new FileInputStream( objectName ) );

        return in.readObject();
    }

    public static void writeObject( Serializable obj, String name ) throws FileNotFoundException, IOException{

        ObjectOutputStream out = new ObjectOutputStream( new FileOutputStream( name ) );

        out.writeObject( obj );
    }
}