JFileChooser.SELECTED_FILES_CHANGED_PROPERTY
import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.io.File; import javax.swing.JFileChooser; public class Main { public static void main(String[] argv) throws Exception { JFileChooser chooser = new JFileChooser(); chooser.addPropertyChangeListener(new PropertyChangeListener() { public void propertyChange(PropertyChangeEvent evt) { if (JFileChooser.SELECTED_FILES_CHANGED_PROPERTY.equals(evt.getPropertyName())) { JFileChooser chooser = (JFileChooser) evt.getSource(); File[] oldFiles = (File[]) evt.getOldValue(); File[] newFiles = (File[]) evt.getNewValue(); // Get list of selected files File[] files = chooser.getSelectedFiles(); } } }); } }