That's to say: They all have add(), addAll(), contains(), etc. methods.
Your homework will be to write three little Java programs that exercise all of these methods. Last week we did this exercise using Lists, this week we use Sets. ... https://www.youtube.com/watch?v=-F0R-6f6tMs
Grab the code here:
github.com/melvyniandrag/multithreading
Today we learn a little teensy bit about multithreading.
If you're looking for something to read about concurrent programming these links ought to get you started:
https://www.geeksforgeeks.org/multithreading-in-java/
https://www.tutorialspoint.com/java/java_multithreading.htm
http://tutorials.jenkov.com/java-concurrency/index.html
...
https://www.youtube.com/watch?v=cszqNxnYqqM
0:00 - 2:41 Preamble
2:42 - 12:15 We learn git config, git add, git commit, git status, git log
12:15 - 16:15 Checking out old commits into new branches. Timetravel!
16:15 - 27:00 Basics of using github
27:00 - end recommended reading and watching
Book you need to read: ProGit
Vid you need to see: Missing Semester - git
...
https://www.youtube.com/watch?v=Ic2mzvZeM90