Apache Commons BeanUtils

/*** Example displaying the new default behaviour such that* it is not possible to access class level properties utilizing the* BeanUtilsBean, which in turn utilizes the PropertyUtilsBean.*/public void testSuppressClassPropertyByDefault() throws Exception {    final BeanUtilsBean bub = new BeanUtilsBean();    final AlphaBean bean = new AlphaBean();    try {        bub.getProperty(bean, "class");        fail("Could access class property!");    } catch (final NoSuchMethodException ex) {        // Ok    }}/*** Example showing how by which one would use to revert to the* behaviour prior to the 1.9.4 release where class level properties were accessible by* the BeanUtilsBean and the PropertyUtilsBean.*/public void testAllowAccessToClassProperty() throws Exception {    final BeanUtilsBean bub = new BeanUtilsBean();    bub.getPropertyUtils().removeBeanIntrospector(SuppressPropertiesBeanIntrospector.SUPPRESS_CLASS);    final AlphaBean bean = new AlphaBean();    String result = bub.getProperty(bean, "class");    assertEquals("Class property should have been accessed", "class org.apache.commons.beanutils2.AlphaBean", result);}