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.

Variables: Storing values in your Java code Applications manipulate values that are stored in memory. Java’s variables feature symbolically represents memory in source code.

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.