© Peter Späth 2019
Peter SpäthLearn Kotlin for Android Developmenthttps://doi.org/10.1007/978-1-4842-4467-8_18

18. Working in Parallel: Multithreading

Peter Späth1 
Leipzig, Germany

Modern computers and modern smartphones have several CPUs able to work in parallel. You probably think of several apps running at the same time, but there is more to concurrency; you can have several “actors” do work in parallel in one app, noticeably speeding up program execution. I deliberately say “actors” because simply saying that several CPUs work in parallel only covers part of the story. In fact, software developers prefer to think of threads, which are program sequences that can potentially run independent of each other. Which CPU actually runs a thread is ...

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