For Expedia.com traveling system, there are at least these entity classes: Traveler, Itinerary, Flight, Payment, and CreditCard. Analyze these classes and their relationships and do the following.

1.Draw the initial class diagram of the classes.
2.Draw the final class diagram of the classes in which no many to many relationships. Primary key attributes of each class must be included. Foreign key attributes of a class must be included if the class has any. You don’t have to include operations for each class in this project.
3.Draw object diagram that features four relationships in your final class diagram.