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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Using the Execute Around Method Pattern to Clean Up Resources
ARM was a good step in the right direction, but it’s not very effective—never trust anything with the word management in it, right? Just kidding. Anyone using our class has to figure out that it implements AutoCloseable and remember to use the try-with-resources construct. It’d be great if the API we design could guide the programmers and, with the compiler’s help, point them in the right direction. We can easily achieve that with lambda expressions and the execute around method (EAM) pattern.
EAM is a powerful pattern that makes use of lambda expressions to wrap a piece of code. As the name alludes to, we can design to perform a pre-op and a post-op around the execution of the code. ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.