December 1999
Intermediate to advanced
816 pages
20h 27m
English
Content preview from PURE Java™ 2
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Other Modifiers
A number of other modifiers are useful in defining methods. You can specify that a method should synchronize its resources, or that the method is for a native code implementation. These options are discussed next.
Native
Declaring a method as native means that you are giving the signature for a method that will be actually coded in another language, such as C. You can then call this code from a Java method. This feature is called the Java Native Interface, or JNI. This is a big topic that whole books cover, so this section will just point you to the basics.
Caution
This topic has a lot of potential "gotchas," so I recommend it only for experienced Java programmers.
Native methods are used when you really need to accomplish something ...
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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.