I need help with my prorgramming homework

THE DEADLINE IS TODAY(4/21) AT 11:00!! It's not updating for some reason. I have done some of this project but it's not working and I need someone to complete it. There is a project description file, as well as my current java files. According to the desc...

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Instructions and source codes are attached. most of method, class, interfaces are already exists, most of works are combining and manipulating existing codes...

For this assignment, you will use C’s I/O functions to create a simple course catalog database for administrators to update the details of each course offered by the CS department. The system will store basic information about each course, allowing ...