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| 14. 51. 27. Determining When the Selected Tab Changes in a JTabbedPane Container |
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import javax.swing.JTabbedPane;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Main {
public static void main(String[] argv) throws Exception {
JTabbedPane pane = new JTabbedPane();
pane.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
JTabbedPane pane = (JTabbedPane) evt.getSource();
int sel = pane.getSelectedIndex();
System.out.println(sel);
}
});
}
}
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