### Question:
EgovObjectUtil { public static boolean isNull(Object object) { return ((object == null) || object.equals(null)); } private  EgovObjectUtil(); static Class<?> loadClass(String className); static Object instantiate(String className); static Object instantiate(String className, String[] types,
            Object[] values); static boolean isNull(Object object);  }### Answer:
@Test public void testIsNull() throws Exception { assertFalse(EgovObjectUtil.isNull(new Object())); assertTrue(EgovObjectUtil.isNull(null)); }