JspTagUtils { private JspTagUtils() { } private  JspTagUtils(); static boolean toBoolean(String attributeValue, boolean defaultValue,
            String attributeName);  }
@Test public void testJspTagUtils() throws Exception { Constructor<JspTagUtils> constructor = JspTagUtils.class .getDeclaredConstructor(); assertThat(constructor.isAccessible(), is(false)); constructor.setAccessible(true); assertThat(constructor.newInstance(), notNullValue()); constructor.setAccessible(false); }