4. class SavePerson

• 
      import java.util.*;
      import java.io.*;
  
      public class SavePerson {
          public static void main(String args[]){
              Person person = new Person( "Jack Jones" );
  
              try {
                  FileOutputStream fos = new FileOutputStream( "Name.txt" );
                  ObjectOutputStream oos = new ObjectOutputStream( fos );
                  System.out.print( "Person Name Written: " );
                  System.out.println( person.getName() );
  
                  oos.writeObject( person );
                  oos.flush();
                  oos.close();
  
              } catch(Exception e){
                  e.printStackTrace();
              }
          }
      }