Init HW5.
Print all balances an sum.
Roughly implement home task up to 5th point.
Print all balances evey 100 ms and after the transactions operations are finished.
Fix transaction process.
Eliminate static context.
Buffer program's output.
Simplify account creation.
Extract transaction method.
Make unmodifiable collection of accounts.
Add 5th HW to executable jar main class.
Merge branch 'homework4'
Add 7th task.
Update main class.
Follow the recommendations:
deleteFile() takes an array but only uses first element
should remove the Map for params
Should follow links.
Merge remote-tracking branch 'origin/homework7'