The "Understanding Java threads" series concludes by uncovering some of the loose ends of threading: thread groups, volatility, thread-local variables, timers, and thread death.

I’ll also show you how to use var to declare local variables. See the Java Language Specification: Java SE 12 Edition for more about Java 12. Learn Java from the ground up.

Arrays in Java are variables that contain multiple values. These let you store things like lists of high scores or phone numbers and can also be organized, counted, and manipulated in other ways.