}

    @Test
    @DisplayName("Interface cannot be instantiated")
    @SuppressWarnings("deprecation") // Using Class#newInstance for explicit InstantiationException
    void cannotInstantiateInterface() {
        assertThrows(InstantiationException.class, () -> SpnegoConstants.class.newInstance(), "Interfaces cannot be instantiated");
    }

abstract class XmlSpecification extends Specification {
    final Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument()

    def parse(String str, Document document = null) {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance()
        factory.setNamespaceAware(true)
        DocumentBuilder builder = factory.newDocumentBuilder()

    val callbackHandler = ConsoleCallbackHandler

    val builderList: List<KeyStore.Builder> =
      listOf(
        KeyStore.Builder.newInstance("PKCS11", null, KeyStore.CallbackHandlerProtection(callbackHandler)),
        // Example if you want to combine multiple keystore types
        // KeyStore.Builder.newInstance("PKCS12", null, File("keystore.p12"), PasswordProtection("rosebud".toCharArray()))
      )

            return null;
        }
        return pcd.getRawClass();
    }

    @SuppressWarnings("unchecked")
    @Override
    public <T> T newInstance(final Object... args) {
        return (T) ConstructorUtil.newInstance(constructor, args);
    }

  private ReentrantLock lock02;
  private ReentrantLock lock03;

  @Override
  protected void setUp() throws Exception {
    super.setUp();
    CycleDetectingLockFactory factory = CycleDetectingLockFactory.newInstance(Policies.THROW);
    lockA = factory.newReentrantLock("LockA");
    lockB = factory.newReentrantLock("LockB");
    lockC = factory.newReentrantLock("LockC");

 *
 * <p>Example usage:</p>
 * <pre>
 * XmlNode node = XmlNode.newBuilder()
 *     .name("configuration")
 *     .attribute("version", "1.0")
 *     .child(XmlNode.newInstance("property", "value"))
 *     .build();
 * </pre>
 *
 * @since 4.0.0
 */
@Experimental
@ThreadSafe
@Immutable
public interface XmlNode {

    /**
     * @deprecated since 4.0.0.

                            handlerClass = ClassLoader.getSystemClassLoader().loadClass(className);
                        }
                        handler = (URLStreamHandler) handlerClass.newInstance();
                        break;
                    } catch (final Exception ex) {}
                }
            }
            if (handler == null) {

        props.setProperty(key, value);
        return props;
    }

    @Test
    void testNullSafe() throws Exception {
        Profile p = Profile.newInstance();

        assertActivation(false, p, newContext(null, null));

        p = p.withActivation(Activation.newInstance());

        assertActivation(false, p, newContext(null, null));
    }

    @Test
    void testWithNameOnlyUserProperty() throws Exception {

}
abstract class DefaultNestedType implements NestedType {
    ...
}

class Example {
    private final NestedType nested
    Example(ObjectFactory objects) {
       this.nested = objects.newInstance(DefaultNestedType.class)
    }

    @Nested
    NestedType getNestedProperty() {
        return nested;
    }
}
```

You should prefer to use managed types when possible. 

        assertThat((Integer) beanDesc.newInstance(10), is(10));
        assertThat((Integer) beanDesc.newInstance("10"), is(10));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testNewInstance2() throws Exception {
        final BeanDesc beanDesc = new BeanDescImpl(Integer.class);
        assertThat((Integer) beanDesc.newInstance(new BigDecimal(10)), is(10));
    }

    /**