November 2014
Intermediate to advanced
366 pages
9h 17m
English
Content preview from Learning Concurrent Programming in ScalaBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Exercises
The following exercises summarize what we have learned about futures and promises in this chapter, and require implementing custom future factory methods and combinators. Several exercises also deal with several deterministic programming abstractions that were not treated in this chapter, such as single-assignment variables and maps.
- Implement a command-line program that asks the user to input a URL of some website, and displays the HTML of that website. Between the time that the user hits ENTER and the time that the HTML is retrieved, the program should repetitively print a
.to the standard output every 50 milliseconds, with a two seconds timeout. Use only futures and promises, and avoid the synchronization primitives from the previous ...
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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.