[Demonstration 1]

[Buggy Method]
public boolean isKeyboardHidden() {
    try {
        driver.hideKeyboard();
        driver.getKeyboard().pressKey("c");
        ;
    } catch (Exception e) {
        return true;
    }
    return false;
}

[Buggy Hunk]
driver.getKeyboard().pressKey("c");;

[Patch]
driver.getKeyboard().pressKey("c");

[Demonstration 2]

[Buggy Method]
public static PreparedStatement initialisationRequetePreparee(Connection connexion, String sql, boolean returnGeneratedKeys, Object... objets) throws SQLException {
    PreparedStatement preparedStatement = (PreparedStatement) connexion.prepareStatement(sql, returnGeneratedKeys ? Statement.RETURN_GENERATED_KEYS : Statement.NO_GENERATED_KEYS);
    for (int i = 0; i < objets.length; i++) {
        preparedStatement.setObject(i + 1, objets[i]);
    }
    return preparedStatement;
}

[Buggy Hunk]
PreparedStatement preparedStatement = (PreparedStatement) connexion.prepareStatement(sql, returnGeneratedKeys ? Statement.RETURN_GENERATED_KEYS : Statement.NO_GENERATED_KEYS);

[Patch]
PreparedStatement preparedStatement = connexion.prepareStatement(sql, returnGeneratedKeys ? Statement.RETURN_GENERATED_KEYS : Statement.NO_GENERATED_KEYS);

[Demonstration 3]

[Buggy Method]
public static WritableImage runImageGrayscaleWriterTask(Image image, Image maskImage, double opacity) {
    LOGGER.debug("Run image gray scale");
    final PixelReader pixelReader = image.getPixelReader();
    final WritableImage writableImage = new WritableImage((int) image.getWidth(), (int) image.getHeight());
    final PixelWriter pixelWriter = writableImage.getPixelWriter();
    final ImageWriterTask task = new ImageGrayscaleWriterTask((int) image.getWidth(), (int) image.getHeight(), pixelReader, pixelWriter, maskImage, opacity);
    new ForkJoinPool(Runtime.getRuntime().availableProcessors()).invoke(task);
    return writableImage;
}

[Buggy Hunk]
new ForkJoinPool(Runtime.getRuntime().availableProcessors()).invoke(task);

[Patch]
FORK_JOIN_POOL.execute(task);