Java Object-Oriented Coding Task

I am looking for an experienced Java developer who can help me with my homework - a specific coding task. It involves running a code in an object-oriented manner to manipulate data and generate an output. The following qualifications are needed:

- Experience with Java and object-oriented coding
- Proven track record in manipulating data
- Ability to complete the task in a timely manner

The goal of this task is to apply object-oriented principles in running a code which manipulates data and produces results. This is a critical part of my homework assignment and requires accuracy and efficiency. Please apply only if you're confident with these requirements.
this task is a continues task for the previes one
I have the previes code and wehave to make changes in the code in order to dothe task
I also will provide the main class