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This assignment requires you to design, implement and test a program using Java features from the first half of the subject content. You are required to implement in Java all the classes presented in the conceptual model according the specifications provided. You are also required to develop a separate, console based user interface which, when combined with the problem domain classes, forms an executable application. Other than your own classes, your code may use only classes of the Java SE API described in this subject.
The model
The conceptual model below depicts a model for recording flight and passenger details associated with a travel agent.
Note that the model has significant shortcomings compared to a real system. For example, in a real system the name of every passenger occupying a seat would be recorded and there would be multiple flights per customer and multiple customers per flight. It has been significantly simplified to meet the requirements of this subject.
Explain the user defined Exceptions. User Defined Exceptions are the exceptions which are defined by user for specific purposed. This enables custom exceptions to be generated
What do we mean by interfaces ?
write a program to find the minimum no of colors to fill a board where some of the elements of different color are already placed.
data structure
Java program will be take data from excel files (left diagram), and uses can be able to enter the input(middle diagram) in website when run the input the result appear in Pie 2D or
Instructions: Please make sure your solutions are original, in your own words, expressing your own ideas. Any copying from others' home-works, text books or online sources will
Prompt the user for an int between an upper and lower boundary. Reuse the validateInput() method from project 2 to validate if the input is in bounds. If it is not, print an error
What is the use of UnicastRemoteObject in RMI? Ans) The UnicastRemoteObject class gives support for point-to-point active object references using TCP streams. Objects that need
A fictitious train company, 'Transrail', has commissioned you to write a program that manages a list of train tickets. The program should display a text menu that prompts the us
1) Central museum is one of the famous tourist places in london. They ask comments from every customer visiting them. For that, they maintained one register to store visitor;s com
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