### Membuat class `Enum`

Import `Enum` dan buat *sub-class* warisan dari `str` dan `Enum`.

Dengan warisan dari `str` dokumen API mengetahui nilai nya harus berjenis `string` supaya bisa digunakan dengan benar.

Kemudian buat atribut *class* dengan nilai tetap *string* yang benar:

{* ../../docs_src/path_params/tutorial005.py hl[1,6:9] *}

    return this;
  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = new ArrayList<>();
    if (runCollectionTests) {
      testers.addAll(super.getTesters());
    }

    testers.add(QueueElementTester.class);
    testers.add(QueueOfferTester.class);
    testers.add(QueuePeekTester.class);

 *
 * @author koichik
 */
public class FieldNotStaticRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = -7791347225750660981L;

    /**
     * The target class.
     */
    private final Class<?> targetClass;

    /**
     * The name of the field.
     */
    private final String fieldName;

 *
 * @author koichik
 */
public class MethodNotStaticRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = 7186052234464152208L;

    /**
     * The target class.
     */
    private final Class<?> targetClass;

    /**
     * The name of the method.
     */
    private final String methodName;

/**
 * Exception that wraps {@link NoSuchFieldException}.
 *
 * @author higa
 */
public class NoSuchFieldRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = 6609175673610180338L;

    /**
     * The target class.
     */
    private final Class<?> targetClass;

    /**
     * The name of the field.
     */
    private final String fieldName;

  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = copyToList(super.getTesters());
    testers.add(SetMultimapAsMapTester.class);
    testers.add(SetMultimapEqualsTester.class);
    testers.add(SetMultimapPutTester.class);
    testers.add(SetMultimapPutAllTester.class);

  static class CustomRuntimeException extends RuntimeException {}

  public void testCatching() throws Exception {
    FluentFuture<?> f =
        FluentFuture.from(immediateFailedFuture(new CustomRuntimeException()))
            .catching(
                Throwable.class,
                new Function<Throwable, Class<?>>() {
                  @Override

   * {@linkplain Thread#getContextClassLoader() context class loader}. In simple environments, the
   * context class loader will find resources from the class path. In environments where different
   * threads can have different class loaders, for example app servers, the context class loader
   * will typically have been set to an appropriate loader for the current thread.
   *

/**
 * Generators of various {@link com.google.common.collect.BiMap}s and derived collections.
 *
 * @author Jared Levy
 * @author Hayward Chan
 */
@GwtCompatible
@NullMarked
public class BiMapGenerators {
  public static class ImmutableBiMapGenerator extends TestStringBiMapGenerator {
    @Override
    protected BiMap<String, String> create(Entry<String, String>[] entries) {

 * @author Jesse Wilson
 * @author Jared Levy
 * @author Hayward Chan
 * @author Chris Povirk
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class SortedMapGenerators {
  public static class ImmutableSortedMapGenerator extends TestStringSortedMapGenerator {
    @Override
    public SortedMap<String, String> create(Entry<String, String>[] entries) {