February 2018
Intermediate to advanced
552 pages
13h 46m
English
Content preview from Scala Reactive Programming
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What is a Future in Scala?
In Scala, a Future is an object that represents a computation unit. It has some value at some point in the future. In other words, it is a programming construct in Scala used to write concurrency programs very easily. When a Future finishes its computation, we say that the Future is completed. However, it may be completed either successfully, or unsuccessfully.
If a Future is completed successfully, it has some computed value. If it has failed or completed unsuccessfully, it has some error.
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