Code for the online course Java Next Steps: Stream Collectors (1st Feb 2022, 5pm GMT).
See also these collectors for your perusal.
- Java Next Steps: Stream Collectors (3rd May 2021, 3pm BST).
- Java Next Steps: Stream Collectors (2nd December 2020, 3pm GMT)
- Java Next Steps: Stream Collectors (28th September 2020, 3pm GMT)