### Question:
Utils { public static String remarkMnemonic( final String text, final int key) { String newText = text; int pos = text.indexOf(key); if (pos == -1) { final char keyChar = (char) key; pos = text.indexOf(String.valueOf(keyChar).toLowerCase()); } if (pos != -1) { newText = text.substring(0, pos) + "<u>" + text.charAt(pos) + "</u>" + text.substring(pos + 1); } return newText; } private  Utils(); static void openFile(final String filepath); static void openFile(final File file); static char getLanguageMnemonic(final List<Character> mnemonicList, final String actualLanguage); static void remarcar(final JComponent component); static void setContrastColor(final JComponent component); static void setFontBold(final JComponent component); static String remarkMnemonic( final String text, final int key); static FileFilter getRepositoryFileFilterPkcs12(); static FileFilter getRepositoryFileFilterPkcs11(); static void showToolTip(final boolean show, final JWindow tip, final JButton boton, final JLabel tipText);  }### Answer:
@SuppressWarnings("static-method") @Test public void testRemarkMnemonic() { UtilsTest.LOGGER.info("testRemarkMnemonic"); try { Assert.assertTrue(Utils .remarkMnemonic("Test", 'T').equals("<u>T</u>est")); Assert.assertTrue(Utils.remarkMnemonic("Test", 'a').equals("Test")); } catch (final java.awt.HeadlessException e) { } }