March 2019
Intermediate to advanced
242 pages
6h 21m
English
Content preview from Java 11 and 12 – New Features
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Enhancing CDS
Often, developers end up not using a feature that could enhance the performance of their application—out of ignorance—by just missing a step. Or should we call it a usability issue?
At present, even though the JDK includes a default class list, it can be used with the following command:
java -Xshare:dump
Even though this behavior is documented, developers miss reading the document, and hence, can't use this feature.
JDK 12 modifies the build process. It runs the java -Xshare:dump command after linking it to the class list. To ensure that the CDS archive file is part of the JDK image, the shared archive file is placed in the lib/server directory.
The shared archive file is used automatically during application startup, since ...
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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.