List<String> temp = new ArrayList<>();
    for (Feature<?> feature : features) {
      Object featureAsObject = feature; // to work around bogus JDK warning
      if (featureAsObject instanceof Enum) {
        Enum<?> f = (Enum<?>) featureAsObject;
        temp.add(f.getDeclaringClass().getSimpleName() + "." + feature);
      } else {
        temp.add(feature.toString());
      }
    }
    return temp.toString();
  }

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.http2

/** http://tools.ietf.org/html/draft-ietf-httpbis-http2-17#section-7 */
enum class ErrorCode constructor(
  val httpCode: Int,
) {
  /** Not an error!  */
  NO_ERROR(0),

  PROTOCOL_ERROR(1),

  INTERNAL_ERROR(2),

  FLOW_CONTROL_ERROR(3),

  SETTINGS_TIMEOUT(4),

 */
package jcifs.internal.smb2.rdma;

/**
 * RDMA capability flags indicating what operations are supported
 * by an RDMA provider implementation.
 */
public enum RdmaCapability {
    /**
     * Remote direct read operations
     */
    RDMA_READ,

    /**
     * Remote direct write operations
     */
    RDMA_WRITE,

    /**

/**
 * Utility class for converting between various ASCII case formats. Behavior is undefined for
 * non-ASCII input.
 *
 * @author Mike Bostock
 * @since 1.0
 */
@GwtCompatible
public enum CaseFormat {
  /**
   * Hyphenated variable naming convention, e.g., "lower-hyphen". This format is also colloquially
   * known as "kebab case".
   */
  LOWER_HYPHEN(CharMatcher.is('-'), "-") {
    @Override

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package common

enum class JvmVendor(
    val displayName: String,
) {
    ORACLE("Oracle"),
    OPENJDK("Adoptium"),
    ZULU("Zulu"),

import static com.google.common.base.Preconditions.checkNotNull;

import java.util.Map;
import java.util.Map.Entry;

/**
 * GWT emulation of {@link ImmutableEnumMap}. The type parameter is not bounded by {@code Enum<E>}
 * to avoid code-size bloat.
 *
 * @author Hayward Chan
 */
final class ImmutableEnumMap<K, V> extends ForwardingImmutableMap<K, V> {
  static <K, V> ImmutableMap<K, V> asImmutable(Map<K, V> map) {

/**
 * Tests for {@link Enums}.
 *
 * @author Steve McKay
 */
@GwtIncompatible
@J2ktIncompatible
@NullUnmarked
public class EnumsTest extends TestCase {

  private enum TestEnum {
    CHEETO,
    HONDA,
    POODLE,
  }

  public void testGetIfPresent() {
    assertThat(Enums.getIfPresent(TestEnum.class, "CHEETO")).hasValue(TestEnum.CHEETO);

這些標籤會被加入到 OpenAPI 結構描述，並由自動化文件介面使用：

<img src="/img/tutorial/path-operation-configuration/image01.png">

### 含 Enum 的標籤 { #tags-with-enums }

如果你的應用很大，可能會累積數個標籤，你會希望對相關的「路徑操作」始終使用相同的標籤。

在這種情況下，可以考慮把標籤存放在 `Enum` 中。

**FastAPI** 對此的支援方式與使用普通字串相同：

{* ../../docs_src/path_operation_configuration/tutorial002b_py310.py hl[1,8:10,13,18] *}

## 摘要與描述 { #summary-and-description }

package com.google.common.io;

import org.jspecify.annotations.NullUnmarked;

/**
 * Options controlling the behavior of sources/sinks/streams for testing.
 *
 * @author Colin Decker
 */
@NullUnmarked
public enum TestOption {
  OPEN_THROWS,
  SKIP_THROWS,
  READ_THROWS,
  WRITE_THROWS,
  CLOSE_THROWS,
  AVAILABLE_ALWAYS_ZERO

* the default declaration: die Default-Deklaration
* the deployment: das Deployment
* the dict: das Dict
* the dictionary: das Dictionary
* the enumeration: die Enumeration
* the enum: das Enum
* the engine: die Engine
* the error response: die Error-Response
* the event: das Event
* the exception: die Exception
* the exception handler: der Exceptionhandler
* the form model: das Formularmodell