Build TreeMap for bank accounts with initial entries:
John Doe 3123.5
Jane Doe 1200.0
Susan Doe 3124.7
Holly Doe -97.1
Bill Doe -12.0
1) print the map.
2) John makes a deposit of 1000, Susan withdraws 2000, delete all the customers with negative balances, and add a new
customer Sally Doe with 15.0 balance.
After these operations, print the map.
As before, submit one file with a name YOURLOGIN_hwk4.java