*
     * @return whether the FD is open and valid
     */
    boolean isOpen();

    /**
     * Tests whether this file descriptor was previously open but has become invalid.
     *
     * @return whether the FD was previously open but became invalid
     */
    boolean isStale();

    /**
     * Unwraps this handle to the specified type.
     *
     * @param <T> the type to unwrap to

 *  Fix: Fixed bugs in handling the SPDY window size. This was stalling certain
    large downloads
 *  Update the language level to Java 7. (OkHttp requires Android 2.3+ or Java 7+.)

## Version 2.0.0-RC2

_2014-06-11_

This update fixes problems in 2.0.0-RC1. Read the 2.0.0-RC1 changes for
advice on upgrading from 1.x to 2.x.

 *  Fix: Don't leak connections! There was a regression in 2.0.0-RC1 where

    Collection<V> values = multimap().get(k3());
    if (values.size() == 0) {
      expectUnchanged();
      // Be extra thorough in case internal state was corrupted by the expected null.
      assertEquals(new ArrayList<>(), new ArrayList<>(values));
      assertEquals(size, multimap().size());
    } else {
      assertEquals(newArrayList(v3()), new ArrayList<>(values));

    assertFalse(listener.healthyCalled);
  }

  /**
   * This covers a bug where if a listener was installed that would stop the manager if any service
   * fails and something failed during startup before service.start was called on all the services,
   * then awaitStopped would deadlock due to an IllegalStateException that was thrown when trying to
   * stop the timer(!).
   */

    super(key, value);
    this.cause = checkNotNull(cause);
  }

  /** Returns the cause for which the entry was removed. */
  public RemovalCause getCause() {
    return cause;
  }

  /**
   * Returns {@code true} if there was an automatic removal due to eviction (the cause is neither
   * {@link RemovalCause#EXPLICIT} nor {@link RemovalCause#REPLACED}).
   */

  private static final long C1 = 0xcc9e2d51;
  private static final long C2 = 0x1b873593;

  /*
   * This method was rewritten in Java from an intermediate step of the Murmur hash function in
   * http://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp, which contained the
   * following header:
   *
   * MurmurHash3 was written by Austin Appleby, and is placed in the public domain. The author

 * instead of {@code ListenableFuture}.
 *
 * <p>This class is GWT-compatible.
 *
 * @since {@code com.google.guava:failureaccess:1.0}, which was added as a dependency of Guava in
 *     Guava 27.0
 */
public abstract class InternalFutureFailureAccess {
  /** Constructor for use by subclasses. */
  protected InternalFutureFailureAccess() {}

  /**

    int SNAPSHOT = 2;

    int RELEASE_OR_SNAPSHOT = RELEASE | SNAPSHOT;

    /**
     * Get the repository the metadata was located in.
     *
     * @return the repository
     */
    ArtifactRepository getRepository();

    /**
     * Set the repository the metadata was located in.
     *
     * @param remoteRepository the repository
     */
    void setRepository(ArtifactRepository remoteRepository);

Container verfügen außerdem über ihre eigenen **isoliert** laufenden Prozesse (üblicherweise nur einen Prozess), über ihr eigenes Dateisystem und ihr eigenes Netzwerk, was die Bereitstellung, Sicherheit, Entwicklung usw. vereinfacht.

## Was ist ein Containerimage?

Ein **Container** wird von einem **Containerimage** ausgeführt.

   *
   * @param key the key with which the specified value is to be associated
   * @param value the value to be associated with the specified key
   * @return the value that was previously associated with the key, or {@code null} if there was no
   *     previous entry. (If the bimap contains null values, then {@code forcePut}, like {@code
   *     put}, returns {@code null} both if the key is absent and if it is present with a null