# When we specify multiple JDKs, the final one becomes the default, which is used to execute Maven itself.
      # Our Maven configuration then specifies different JDKs to use for some of the steps:
      # - 11 (sometimes) to *download* to support anyone who runs JDiff or our Gradle integration tests (including our doc snapshots and our Java 11 CI test run) but not to use directly

    protected Object handleInvocation(Object proxy, Method method, Object[] args) throws Throwable {
      return method.invoke(delegate, args);
    }

    @Override
    public String toString() {
      return "some arbitrary string";
    }
  }

  private static class DelegatingInvocationHandlerWithEquals extends DelegatingInvocationHandler {

    DelegatingInvocationHandlerWithEquals(Object delegate) {

            dos.writeInt(Integer.reverseBytes(PacConstants.PRIVSVR_CHECKSUM));
            dos.writeInt(Integer.reverseBytes(16));
            dos.writeLong(Long.reverseBytes(300));

            // Add some padding
            for (int i = 0; i < 300; i++) {
                dos.writeByte(0);
            }

            return baos.toByteArray();
        } catch (IOException e) {

         * Indicates whether the requested artifact was resolved. Note that the artifact might have been successfully
         * resolved despite {@link #getExceptions()} indicating transfer errors while trying to fetch the artifact from some
         * of the specified remote repositories.
         *
         * @return {@code true} if the artifact was resolved, {@code false} otherwise.
         */
        boolean isResolved();

        /**

<!--  Thanks for sending a pull request!  Here are some tips for you:

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   * @throws IllegalStateException when the call has already been executed.
   */
  @Throws(IOException::class)
  fun execute(): Response

  /**
   * Schedules the request to be executed at some point in the future.
   *
   * The [dispatcher][OkHttpClient.dispatcher] defines when the request will run: usually
   * immediately unless there are several other requests currently being executed.
   *

    // Fill with matching chars.
    for (int i = 0; i < result.length; i++) {
      result[i] = allMatchingChars.charAt(random.nextInt(allMatchingChars.length()));
    }
    // Replace some of chars by non-matching.
    int remaining = (int) ((100 - percentMatching) * result.length / 100.0 + 0.5);
    while (remaining > 0) {
      char c = (char) random.nextInt();
      if (bitSet.get(c)) {

    // useful testable guarantees about the behavior of that dispatcher in a multithreaded
    // environment. Here we simply test that all the expected dispatches happened in some order.
    assertThat(dispatchedSubscribers).containsExactly(i1, i2, i3, s1, s1, s1, s1, s2, s2, s2, s2);
  }

  public void testImmediateDispatcher() {
    dispatcher = Dispatcher.immediate();

 *
 * <p>{@code UncheckedExecutionException} is intended as an alternative to {@code
 * ExecutionException} when the exception thrown by a task is an unchecked exception. However, it
 * may also wrap a checked exception in some cases.
 *
 * <p>When wrapping an {@code Error} from another thread, prefer {@link ExecutionError}. When
 * wrapping a checked exception, prefer {@code ExecutionException}.
 *
 * @author Charles Fry
 * @since 10.0
 */

You can create production applications with **FastAPI** right now (and you have probably been doing it for some time), you just have to make sure that you use a version that works correctly with the rest of your code.

## Pin your `fastapi` version { #pin-your-fastapi-version }