23.13. Wrap-Up
In this chapter, you learned that concurrency has historically been implemented with operating system primitives available only to experienced systems programmers, but that Java makes concurrency available to you through the language and APIs. You also learned that the JVM itself creates threads to run a program, and that it also may create threads to perform housekeeping tasks such as garbage collection.
We discussed the life cycle of a thread and the states that a thread may occupy during its lifetime. We also discussed Java’s thread priorities, which help the system schedule threads for execution. You learned that you should avoid manipulating Java thread priorities directly and you learned about problems associated with thread ...
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