Could you please provide the Simple Java Code for the below scenario, also provide UML Diagrams(Class,Object,Sequence,Use case)

The Conference Management System is an online website in which candidate can submit the paper and register themselves and then attend the conference. The paper will be reviewed. The details of the conference, date and time will be made available to them through the website. After getting the confirmation details the candidate should submit the revised and camera ready paper. Then the registration process will be done. This software specification document consist full set of features and function for online conference management system. In this we give specification about the system requirements that are apart from the functionality of the system to perform the candidate paper valuation. It tells the usability, reliability defined in use case specification. PURPOSE The purpose of the conference management system is that the system can easily review the process. The main process in this document is the submission of paper by the candidate, reviewing process by the reviewer and sending of acknowledgement to the candidates whose paper is selected. SCOPE The scope of this conference management process is to select the best candidate from the list of candidates based on their performance in the process.

Write plagiarism free code for the above using Java.

1. UML diagrams (class, object, use case and sequence diagram) -

2. Registration module

3. Services provided to the candidate details module.

4. Get the payment from the customer module

5. Main program, the application which integrates the above packages.