* this method returns {@code true} if {@code iterable1} and {@code iterable2} contain the same
   * number of elements and every element of {@code iterable1} is equal to the corresponding element
   * of {@code iterable2}.
   */
  public static boolean elementsEqual(Iterable<?> iterable1, Iterable<?> iterable2) {
    if (iterable1 instanceof Collection && iterable2 instanceof Collection) {

 */
@GwtCompatible
public final class Iterables {
  private Iterables() {}

  /** Returns an unmodifiable view of {@code iterable}. */
  public static <T extends @Nullable Object> Iterable<T> unmodifiableIterable(
      Iterable<? extends T> iterable) {
    checkNotNull(iterable);
    if (iterable instanceof UnmodifiableIterable || iterable instanceof ImmutableCollection) {

public final class MinimalIterable<E extends @Nullable Object> implements Iterable<E> {
  /** Returns an iterable whose iterator returns the given elements in order. */
  public static <E extends @Nullable Object> MinimalIterable<E> of(E... elements) {
    // Make sure to get an unmodifiable iterator
    return new MinimalIterable<>(asList(elements).iterator());
  }

  /**

    private final boolean errors;

    private final T value;

    private final Iterable<? extends ModelProblem> problems;

    private Result(boolean errors, T model, Iterable<? extends ModelProblem> problems) {
        this.errors = errors;
        this.value = model;
        this.problems = problems;
    }

    public Iterable<? extends ModelProblem> getProblems() {
        return problems;
    }

import java.util.Iterator;

/**
 * Adapts a test iterable generator to give a TestIteratorGenerator.
 *
 * @author George van den Driessche
 */
@GwtCompatible
public final class DerivedTestIteratorGenerator<E>
    implements TestIteratorGenerator<E>, DerivedGenerator {
  private final TestSubjectGenerator<? extends Iterable<E>> collectionGenerator;

  public DerivedTestIteratorGenerator(

    PUT_BOOLEAN() {
      @Override
      void performAction(Random random, Iterable<? extends PrimitiveSink> sinks) {
        boolean value = random.nextBoolean();
        for (PrimitiveSink sink : sinks) {
          sink.putBoolean(value);
        }
      }
    },
    PUT_BYTE() {
      @Override
      void performAction(Random random, Iterable<? extends PrimitiveSink> sinks) {
        int value = random.nextInt();

    Iterable<String> iterable = singletonList("foo");
    assertEquals("foo", Iterables.getLast(iterable, "bar"));
  }

  public void testGetLast_withDefault_empty() {
    Iterable<String> iterable = emptyList();
    assertEquals("bar", Iterables.getLast(iterable, "bar"));
  }

  public void testGetLast_withDefault_empty_null() {
    Iterable<String> iterable = emptyList();

    multimap().putAll(k0(), Collections.emptyList());
    expectUnchanged();
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAllOnlyCallsIteratorOnce() {
    Iterable<V> iterable =
        new Iterable<V>() {
          private boolean calledIteratorAlready = false;

          @Override
          public Iterator<V> iterator() {
            checkState(!calledIteratorAlready);

package org.apache.maven.wrapper.cli; public abstract synchronized class AbstractCommandLineC implements CommandLineConverter { public void AbstractCommandLineC(); public Object convert(Iterable) throws CommandLineArgumentE; public Object convert(ParsedCommandLine) throws CommandLineArgumentE; public Object convert(Iterable, Object) throws CommandLineArgumentE; protected abstract Object newInstance(); } org/apache/maven/wrapper/cli/AbstractPropertiesCo.class package org.apache.maven.wrapper.cli; public...

    Iterable<String> set = newHashSet("a", "b");
    assertFalse(FluentIterable.from(set).contains("c"));
  }

  public void testContains_nonNullIterableYes() {
    Iterable<String> set = iterable("a", null, "b");
    assertTrue(FluentIterable.from(set).contains("b"));
  }

  public void testContains_nonNullIterableNo() {
    Iterable<String> iterable = iterable("a", "b");
    assertFalse(FluentIterable.from(iterable).contains("c"));