* 認可フォーム
* 認可プロバイダ
* ユーザーが認証する
* システムがユーザーを認証する

* CLI
* コマンドラインインターフェース

* サーバー
* クライアント

* クラウドプロバイダ
* クラウドサービス

* 開発
* 開発段階

* dict
* 辞書
* 列挙型
* Enum
* 列挙メンバー

* エンコーダー
* デコーダー
* エンコードする
* デコードする

* 例外
* 送出する

* 式
* 文

* フロントエンド
* バックエンド

* GitHub ディスカッション
* GitHub Issue

* パフォーマンス

      if (newArg == null || Objects.equals(args.get(i), newArg)) {
        if (params.get(i).getType().getRawType().isEnum()) {
          continue; // Nothing better we can do if it's single-value enum
        }
        throw new ParameterHasNoDistinctValueException(params.get(i));
      }
      newArgs.set(i, newArg);
      tester.addEqualityGroup(createInstance(factory, newArgs));

   * float[])}.
   *
   * @since 2.0
   */
  public static Comparator<float[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  private enum LexicographicalComparator implements Comparator<float[]> {
    INSTANCE;

    @Override
    public int compare(float[] left, float[] right) {
      int minLength = Math.min(left.length, right.length);

   *
   * @since 2.0
   */
  public static Comparator<int[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  private enum LexicographicalComparator implements Comparator<int[]> {
    INSTANCE;

    @Override
    // A call to bare "min" or "max" would resolve to our varargs method, not to any static import.

        public StatsCounter get() {
          return new SimpleStatsCounter();
        }
      };

  enum NullListener implements RemovalListener<Object, Object> {
    INSTANCE;

    @Override
    public void onRemoval(RemovalNotification<Object, Object> notification) {}
  }

  enum OneWeigher implements Weigher<Object, Object> {
    INSTANCE;

    @Override

    `http://` schemes.

 *  **RouteDatabase is no longer public API.** OkHttp continues to track which
    routes have failed but this is no exposed in the API.

 *  **ResponseSource is gone.** This enum exposed whether a response came from
    the cache, network, or both. OkHttp 2 offers more detail with raw access to
    the cache and network responses in the new `Response` class.

    this.header = new AvlNode<>();
    successor(header, header);
    this.rootReference = new Reference<>();
  }

  /** A function which can be summed across a subtree. */
  private enum Aggregate {
    SIZE {
      @Override
      int nodeAggregate(AvlNode<?> node) {
        return node.elemCount;
      }

      @Override
      long treeAggregate(@Nullable AvlNode<?> root) {

   * double[])}.
   *
   * @since 2.0
   */
  public static Comparator<double[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  private enum LexicographicalComparator implements Comparator<double[]> {
    INSTANCE;

    @Override
    public int compare(double[] left, double[] right) {
      int minLength = Math.min(left.length, right.length);

      /*
       * The result has the same type argument we started with. We just couldn't express EnumSet<E>
       * or ImmutableEnumSet<E> along the way because our own <E> isn't <E extends Enum<E>>.
       *
       * We are also performing a safe covariant cast to change <? extends E> to <E>.
       */
      @SuppressWarnings("unchecked")
      ImmutableSet<E> result = (ImmutableSet<E>) untypedResult;

          queueIterator.remove();
        }
      }
      assertThat(remaining).isEqualTo(0);
      assertIntact(queue);
      assertThat(queue).containsExactlyElementsIn(elements);
    }
  }

  private enum Element {
    ONE,
    TWO,
    THREE,
    FOUR,
    FIVE;
  }

  public void testRandomAddsAndRemoves_duplicateElements() {
    Random random = new Random(0);