July 2023
Intermediate to advanced
276 pages
6h 55m
English
Content preview from Functional Programming in Java, 2nd EditionBecome 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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Wrapping Up
Transforming data is a common operation in programming, and the updates in Java make it possible to meet those challenges with elegance and ease. The power to perform transformations is packed both in the Streams API and particularly in the Collectors utility class. In this chapter we saw quite a few transformations that can be done using different methods in Collectors. We started with some simple transformations, moved on to more complex ones, and finally concluded with the facilities available to perform multiple transformations in one shot, with a single iteration. Take time to get comfortable with the functions in Collectors as it is one of the most comprehensive classes in the JDK.
In the next chapter we’ll look at ways to design ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.