- develop a
**StudentMarks System**in Java, so that student marks can be entered, edited and browsed. For the students, we need to keep track of the student ID and student name, and for the subjects, we need to keep track of the unit ID and unit name. The system should allow us to enter which student has got what mark in which unit. Although there are no specific mandatory functionalities required for the StudentMarks System, as the students are allowed to freely design their system, some of the following features may be incorporated in some ways:

- All relevant records can be entered, edited, or deleted.
- For each student, we can list the marks for all the units he or she has done.
- For each unit, we can list the marks for all the students.
- For each unit, we can calculate the marks average.
- Marks records can be stored externally and reloaded back to the system.
- Other features of your own design to enhance the system as much as possible.

- Before taking on a full-fledged program design and implementation, students may choose to initially simplify the problem by

- Ignoring student names. This means each student just has a unique student ID, with no names.
- Ignoring unit names. This means each unit just has a unique unit ID, with no names.
- Under this simplification, one way to store the data could just take the following format, where each line contain first the unit ID, then the student ID, and finally the corresponding mark.

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