import java.io.*;
import javax.swing.*;

public class FileChooserTrimsFileName {
    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                JFileChooser fc = new JFileChooser();
                fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
                if (fc.showOpenDialog(null) == JFileChooser.APPROVE_OPTION)
                {
                    File f = fc.getSelectedFile();
                    boolean exists = f.exists();
                    System.err.println(String.format("exists='%b'", exists));
                }
            }
        });
    }
}