Debug Java Program

I am unable to get my JAVA program to work. I have it written and I just need an extra set of eyes to finish it up. Here are the requirements. Design and Implement Airline Reservation System Following points should be incorporated: •Design and implementation using concepts like Polymorphism and Inheritance •Fare Calculation consider at least 10 cities •Store cities and distances in a data structure •Store paths (between cities) in a separate data structure as in the number of miles to cover between the cities •Check for validity of paths between cities •Implement two classes called o DomesticFlights o InternationalFlights Each defining their own business rules and define their own sets of cities and fares •Give the user the functionality to add cities and paths between two cities with the underlying distance between the two cities. •User will enter a city Paris Display all paths starting from Paris • User will enter all paths leading to city :Paris Display all paths leading to Paris •User will ask for fare between two cities •There might be some cases where there might be paths like Paris NY NY Mumbai Which implies that there is a path between Paris and Mumbai via NY? Check to see all such paths ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. With good comments. 2) Installation package that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased. ## Platform Windows/Windows XP