Need help with question #6 please.

liebling@ Exercises If the user selects the delete option, issue an error message if the database is empty. Otherwise, prompt the user for an ID number. If the ID number does not exist, issue an error message. Otherwise, do not access the record for any future processing empty. sales value, and change the sales value for the record. If the user selects the change option, isue an error message if the database is Otherwise, prompt the user for an ID number. If the requested record does not exist, issue an error message. Otherwise, prompt the user for a new lay them 493 f a list is its st contains pplication ean, and After each option executes, display the updated database in ascending order by Salesperson ID number, and prompt the user to select the next action. Save the annlication as SalespersonDatabase.java. of n is the file as 6 Write an application tnar stores at least four different course names and meeting days and times in a two-dimensional array. Allow the user to enter a course name (such as "CIS 110"), and display the day of the week and time that the course is held (such as "Th 3:30"). If the course does not exist, display an error message. Save the file as Schedule.java Create ing and e file as ableo sttows the various services offered by a hair salon, including its prices and times required: mpts which time. Service Description Cut Shampoo Manicure Style Price (S) 8.00 4.00 18.00 48.00 1800 Time (Minutes) 15 10 30 ects and r an the r 35