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Changes for page Concurrency

Last modified by chrisby on 2024/06/02 15:15
From version 1.14
edited by chrisby
on 2023/11/30 20:39
Change comment: There is no comment for this version
To version 1.13
edited by chrisby
on 2023/11/30 20:37
Change comment: There is no comment for this version

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1 -Objects are abstractions of processing, **threads are abstractions of timing**.
1 +## Concurrency
2 2  
3 +* Objects are abstractions of processing, threads are abstractions of timing.
4 +
3 3  ### Why concurrency?
4 4  
5 5  * **Concurrency is a decoupling strategy**. The what is decoupled from the when.
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25 25  
26 26  ### Things to learn before working with concurrency
27 27  
28 -* **Get to know your library**: Use the thread-safe collections provided. Use non-blocking solutions if possible. Be aware multiple library classes are not thread safe.
30 +* Get to know your library
31 + * Use the thread-safe collections provided.
32 + * Use the executor framework to execute disjointed tasks.
33 + * Use non-blocking solutions if possible.
34 + * Multiple library classes are not thread-safe.
35 +* Thread-safe collections
36 + * So you should use ConcurrentHashMap instead of HashMap.
37 + * Author's recommendations: java.util.concurrent, java.util.concurrent.atomic, java.util.concurrent.locks.
29 29  * Get to know execution models
30 30   * Basic definitions
31 31   * Bound Resources