Java

An improvement on the grading program. Write a program that asks the user to enter any number of grades and maintain a running list of statistics. Use the sentinel flag of -1 to signify conclusion of data entry. Display outputs as specified below.

Requirements:

-Use the WHILE LOOP, NO ARRAY for this task.

-Exit the program if a -1 sentinel value is entered

-After each grade is entered, add this to a running subtotal of grades

-Maintain a count of the grades entered

-Determine number of grades enter and display

-Determine the highest grade entered and display

-Determine the lowest grade entered and display

-Calculate the average grade and display