*/
public class SimpleCircuitBreaker {

    private static final Logger log = LoggerFactory.getLogger(SimpleCircuitBreaker.class);

    /**
     * Circuit breaker states
     */
    public enum State {
        CLOSED, // Normal operation
        OPEN, // Failing, requests blocked
        HALF_OPEN // Testing recovery
    }

    private final String name;

        RequestData data = RequestDataBuilder.newRequestData().method("PUT").build();

        assertEquals(Method.GET, data.getMethod());
    }

    public void test_methodWithEnum() {
        // Test method(Method) with enum
        RequestData data1 = RequestDataBuilder.newRequestData().method(Method.GET).build();
        assertEquals(Method.GET, data1.getMethod());

 *
 * Usage: java build-logic/cleanup/src/main/java/gradlebuild/cleanup/services/KillLeakingJavaProcesses.java
 */
public class KillLeakingJavaProcesses {
    enum ExecutionMode {
        /**
         * Run at the beginning of each build. Kill potentially leaked processes in previous builds.
         * Only kill local Gradle processes (classpath in checkout directory).

	"github.com/minio/pkg/v3/env"
	xnet "github.com/minio/pkg/v3/net"
)

// EndpointType - enum for endpoint type.
type EndpointType int

const (
	// PathEndpointType - path style endpoint type enum.
	PathEndpointType EndpointType = iota + 1

	// URLEndpointType - URL style endpoint type enum.
	URLEndpointType
)

// ProxyEndpoint - endpoint used for proxy redirects
// See proxyRequest() for details.

    private static final Collection<ValidationReportLevel> INLINE_VALIDATION_LEVEL = Collections.unmodifiableCollection(
            Arrays.asList(ValidationReportLevel.INLINE, ValidationReportLevel.BRIEF));

    private enum ValidationReportLevel {
        NONE, // mute validation completely (validation issue collection still happens, it is just not reported!)
        INLINE, // inline, each "internal" problem one line next to mojo invocation

 *
 * <p>Important: the order of the constants cannot change, and they cannot be deleted - we depend on
 * their ordinal for BloomFilter serialization.
 *
 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 */
enum BloomFilterStrategies implements BloomFilter.Strategy {
  /**
   * See "Less Hashing, Same Performance: Building a Better Bloom Filter" by Adam Kirsch and Michael

    return new ArrayTable<>(rowKeys, columnKeys);
  }

  /*
   * TODO(jlevy): Add factory methods taking an Enum class, instead of an
   * iterable, to specify the allowed row keys and/or column keys. Note that
   * custom serialization logic is needed to support different enum sizes during
   * serialization and deserialization.
   */

  /**

* CLI
* интерфейс командной строки

* сервер
* клиент

* облачный провайдер
* облачный сервис

* разработка
* этапы разработки

* dict
* словарь
* перечисление
* enum
* член перечисления

* кодировщик
* декодировщик
* кодировать
* декодировать

* исключение
* вызвать

* выражение
* оператор

* фронтенд
* бэкенд

この場合、3つのクエリパラメータがあります。:

* `needy`、必須の `str` 。
* `skip`、デフォルト値を `0` とする `int` 。
* `limit`、オプショナルな `int` 。

/// tip | 豆知識

[パスパラメータ](path-params.md#_8){.internal-link target=_blank}と同様に `Enum` を使用できます。

    assertEvalsToFalse(nasty);

    Predicate<? super Integer> stillNasty = SerializableTester.reserializeAndAssert(nasty);

    assertEvalsToFalse(stillNasty);
  }

  // enum singleton pattern
  private enum TrimStringFunction implements Function<String, String> {
    INSTANCE;

    @Override
    public String apply(String string) {
      return whitespace().trimFrom(string);
    }
  }