Question with subsections:

i) A company maintains some of its item price in a random access file. The file stores the item number and its price. Write a program that creates 10 blank records first and then allow user to enter any item price using any item number from 1 to 10. Insert each new record into a file at a location that is equal to the item number. The program stops when user input -999 as item number. Your program should also check that the item number entered is between 1 and 10 and that the price cannot be negative. Save your program as CreateltemRecord.java (ii) Write a program that uses the file created in part(i) and displays all existing item numbers and their price order by item number. Save your program as DisplayRecordSequentially java. iii) Write a program that uses the file created in part(i) and allow user to check an item price by entering an item number. User should be allowed to check any item price randomly. The program stops when user enters -999 as item number. You may assume in this program that user always enter correct item number. Save your program as AccessRecordRandomly.java