Java Project (database, intellij)

I need Java project with database. It needs to have multiple users log in (Admin and Employee). Once the correct credentials, a new page will pop up (admin or employee). Admin should be able to delete,add,update employees and also able to add,delete,update product. For Employee intereface, the employee should be able to add,delete,update. columns in the login table (username, password,usertype(admin/employee). columns in the employee table (id,firstname,lastname,email,date of birth) columns in the product table(id, product name, description,price).I need it done in 24hours. I honestly was trying to do this on my own, but ive been receive errors. I need it for my class. You have to use intellij, it has to have interface and some type of database.