//: appendixb:UseObjects.java // From 'Thinking in Java, 2nd ed.' by Bruce Eckel // www.BruceEckel.com. See copyright notice in CopyRight.txt. class MyJavaClass { public int aValue; public void divByTwo() { aValue /= 2; } } public class UseObjects { private native void changeObject(MyJavaClass obj); static { System.loadLibrary("UseObjImpl"); // Linux hack, if you can't get your library // path set in your environment: // System.load( //"/home/bruce/tij2/appendixb/UseObjImpl.so"); } public static void main(String[] args) { UseObjects app = new UseObjects(); MyJavaClass anObj = new MyJavaClass(); anObj.aValue = 2; app.changeObject(anObj); System.out.println("Java: " + anObj.aValue); } } ///:~