2024
NarenJavaHelpLine - Java8 Streams API Interview Questions of p20
    https://www.youtube.com/playlist?list=PLocUdK_vP0uaEAMzuJKTsOzoYwcQbyh3n
BusyCoderAcademy - Java 8 Stream API Workshop of 3:09:22
    https://www.youtube.com/watch?v=5IJG483LIjk
    https://github.com/rgupta00/java8workshop-busycoder-25-02-24
    https://github.com/rgupta00/java8workshop-busycoder-25-02-24/blob/master/notes%20java%208.pdf
    https://www.linkedin.com/posts/rajeevguptajavatrainer_java8-javaprogramming-streamprocessing-activity-7165247752170405891-x-A2
    https://www.youtube.com/@busycoderacademy
    https://www.linkedin.com/in/rajeevguptajavatrainer/
    https://www.linkedin.com/in/rajeevguptajavatrainer/recent-activity/all/
    java dev community
    https://www.linkedin.com/groups/3983267/
    ! SAM - single abstract method (for FI, @FunctionalInterface), but can have default methods, static methods
    ! Lambda is not Anonymous Inner Class (which has a bad perf and creates a lot of extra classes)
2022
CSC - Valeev - L9 - Terminal Operations and Collectors of 1:48:30
    https://www.youtube.com/watch?v=3qrNlWkJ3ac
CSC - Valeev - L8 - Stream API ru of 1:45:00
    https://www.youtube.com/watch?v=FCT2jbAs_uA
    ! 1:25:00 - interesting collectors
PVTIncubator - Blinov - Java Collections and Streams p2 0:00 of 43:55
    https://www.youtube.com/watch?v=1FgDyzDyJMM
PVTIncubator - Blinov - Java Collections and Streams p1 26:00 of 41:30
    https://www.youtube.com/watch?v=cHGsaTg9c1c
PVTIncubator - Blinov - Java Functional Interfaces 12:00 of 56:19
    https://www.youtube.com/watch?v=oJl1zXGpULY
DailyCodeBuffer - Streams API Tutorial in Java 8+ of 31:37
    https://www.youtube.com/watch?v=VNovNwHr9jY
2016
Valeev - JPoint - Stream API 0:00 of 55:28
    https://www.youtube.com/watch?v=vxikpWnnnCU
    !!!
2014
Kuksenko - Java Stream API 1 ru 0:00 of 1:03:37
    https://www.youtube.com/watch?v=i0Jr2l3jrDA
Kuksenko - Java Stream API 1 ru 0:00 of 1:13:17
    https://www.youtube.com/watch?v=O8oN4KSZEXE
????
Paumard - Java 8 Streams and Collectors Patterns
    http://www.slideshare.net/jpaumard/java-8-streams-collectors-patterns-performances-and-parallelization