December 2006
Intermediate to advanced
166 pages
3h 59m
English
book
Java Stand-alone Applications on z/OS Volume II
by Alex Louwe Kooijmans, Jonathan M Barney, Patrick Bruinsma, Venugopal Kailaikurthi, Christian Strauer, Kenichi Yoshimura
Content preview from Java Stand-alone Applications on z/OS Volume II
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94 Java Stand-alone Applications on z/OS Volume II
6.2.1 Developing a simple JNI program
Figure 6-5 and Figure 6-6 on page 95 show two simple sources that make up an
JNI program. We will use this section to guide you through the basic steps of
developing a JNI program.
Figure 6-5 shows the source of our HelloWorld Java application. It declares a
native method and implements the main method.
This native method is the piece that we want to write in C. Therefore, we use the
keyword native as shown in [1]. The statement System.loadLibrary, indicated
by [2], loads the shared library (or DLL) containing our native method
implementation.
In order f ...
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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.