Write a LetsGoShopping program in JAVA LANGUAGE that does the following: 

-"Welcome to the Let's Go Shopping program!" -This program maintains a shopping list on the disk and -let's you add items to the list (typically before you go shopping) -or remove items from the list (typically as you are shopping). -To remove an item you simply enter the item's number shown on the list, -or to add an item you simply enter it's description (without a number). -The list is sorted as you add so you can more easily group and find items. -(Be aware that the sorting will change an item's 'item number' in the list.

.

Functions covered in this program:

try/catch

writing objects to disk

methods of the Arrays class

while(true) loop

continue/break to repeat or exit a loop

Using a boolean variable

calling another method with common code (a "subroutine") to avoid code duplication

trim()

Scanner will read nextLine() to allow input to be int or String.