Applications Interface Programming Using Multiple Languages: A Windows® Programmer's Guide

6.2. A Simple Startup Example

Now, let's develop this simple example program using the JNI tool. We use the steps in Figure 6-3 to develop this example.

6.2.1. Create a Java Source File that Calls a Native Library

Open the NotePad editor and enter the Java source code shown in Figure 6-4. Click the File menu item from the NotePad editor, and click Save to save this file as “TestPrintf.java” to a directory; in our case, to the C:\Java folder.

Figure 6-4.

/******************************************************************* * NAME : Test code for the JNI program for printf in C. * DATE : 5/27/2002 *******************************************************************/ public class TestPrintf { public static native void greet(); static { System.loadLibrary("JNIPrintf"); ...