July 2018
Intermediate to advanced
266 pages
7h 11m
English
Content preview from Learning Concurrency in Kotlin
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Non-blocking
Threads are heavy, expensive to create, and limited—only so many threads can be created—So when a thread is blocked it is, in a way, being wasted. Because of this, Kotlin offers what is called Suspendable Computations; these are computations that can suspend their execution without blocking the thread of execution. So instead of, for example, blocking thread X to wait for an operation to be made in a thread Y, it's possible to suspend the code that has to wait and use thread X for other computations in the meantime.
Furthermore, Kotlin offers great primitives like channels, actors, and mutual exclusions, which provide mechanisms to communicate and synchronize concurrent code effectively without having to block a thread.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.