June 2018
Beginner
722 pages
18h 47m
English
Content preview from Introduction to Programming
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Colons "::"
The separator :: (colons) is used for method reference in lambda expressions (see Chapter 17, Lambda Expressions and Functional Programming):
List<String> list = List.of("1", "32", "765");list.stream().mapToInt(Integer::valueOf).sum();
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.