public static Class<?> forName(String name) throws ClassNotFoundException {
        return forName(name, getClassLoader());
    }
@Test
    void testForName3() throws Exception {
        ClassLoader classLoader = Mockito.mock(ClassLoader.class);
        ClassUtils.forName("a.b.c.D", classLoader);
        verify(classLoader).loadClass("a.b.c.D");
    }