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import javax.swing.JToolBar;
public class Main {
public static void main(String[] argv) throws Exception {
JToolBar toolbar = new JToolBar();
toolbar.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
public void propertyChange(java.beans.PropertyChangeEvent evt) {
String propName = evt.getPropertyName();
if ("orientation".equals(propName)) {
Integer oldValue = (Integer) evt.getOldValue();
Integer newValue = (Integer) evt.getNewValue();
if (newValue.intValue() == JToolBar.HORIZONTAL) {
System.out.println("horizontal orientation");
} else {
System.out.println("vertical orientation");
}
}
}
});
}
}
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