Update PosSystem.java
Merge remote-tracking branch 'origin/GUI' into posSystem
increasing inventory from a customer return

i havent added the product yet to the count this would just be for inventory so far. if you have any suggestions i'd love to hear them thanks
same as the first document..just product sold

this is the same as the first document i posted except instead of increasing the quantity of inventory it decreases so basically a sale
Merge pull request #38 from SpyMaster356/GUI

Gui
Merge pull request #39 from SpyMaster356/master

updating
Update SaleCounterSold
Update SalesCounterReturn
added package statement

and a message
added package Statement
Merge pull request #41 from SpyMaster356/master

update
updated function calls and added hints
Merge pull request #42 from SpyMaster356/posSystem

Pos system