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import java.util.prefs.NodeChangeEvent;
import java.util.prefs.NodeChangeListener;
import java.util.prefs.Preferences;
public class Main {
public static void main(String[] argv) throws Exception {
Preferences prefs = Preferences.userNodeForPackage(String.class);
prefs.addNodeChangeListener(new NodeChangeListener() {
public void childAdded(NodeChangeEvent evt) {
Preferences parent = evt.getParent();
Preferences child = evt.getChild();
}
public void childRemoved(NodeChangeEvent evt) {
Preferences parent = evt.getParent();
Preferences child = evt.getChild();
}
});
Preferences child = prefs.node("new node");
child.removeNode();
prefs.removeNode();
}
}
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