November 2004
Intermediate to advanced
1024 pages
27h 50m
English
Content preview from Core Java™ 2 Volume II - Advanced Features, Seventh 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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JavaBeans Persistence
JavaBeans persistence uses JavaBeans properties to save beans to a stream and to read them back at a later time or in a different virtual machine. In this regard, JavaBeans persistence is similar to object serialization. (See Volume 1, Chapter 12 for more information on serialization.) However, there is an important difference: JavaBeans persistence is suitable for long-term storage.
When an object is serialized, its instance fields are written to a stream. If the implementation of a class changes, then its instance fields may change. You cannot simply read files that contain serialized objects of older versions. It is possible to detect version differences and translate between old and new data representations. However, ...
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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.