collection - Code Search

guava/src/com/google/common/collect/Collections2.java

      return contains(element) && unfiltered.remove(element);
    }

    @Override
    public boolean removeAll(Collection<?> collection) {
      return removeIf(collection::contains);
    }

    @Override
    public boolean retainAll(Collection<?> collection) {
      return removeIf(element -> !collection.contains(element));
    }

    @Override

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Sun Mar 08 16:16:42 GMT 2026

- 23K bytes

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github.com/google/guava

guava/src/com/google/common/collect/Sets.java

    checkNotNull(collection);
    return (collection instanceof EnumSet)
        ? EnumSet.complementOf((EnumSet<E>) collection)
        : makeComplementByHand(collection, type);
  }

  @J2ktIncompatible
  @GwtIncompatible
  private static <E extends Enum<E>> EnumSet<E> makeComplementByHand(
      Collection<E> collection, Class<E> type) {
    EnumSet<E> result = EnumSet.allOf(type);

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Feb 23 19:19:10 GMT 2026

- 83K bytes

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github.com/google/guava

guava/src/com/google/common/collect/Iterables.java

   */
  public static boolean elementsEqual(Iterable<?> iterable1, Iterable<?> iterable2) {
    if (iterable1 instanceof Collection && iterable2 instanceof Collection) {
      Collection<?> collection1 = (Collection<?>) iterable1;
      Collection<?> collection2 = (Collection<?>) iterable2;
      if (collection1.size() != collection2.size()) {
        return false;
      }
    }

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Sun Mar 08 16:16:42 GMT 2026

- 43.6K bytes

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github.com/google/guava

guava-testlib/src/com/google/common/collect/testing/MinimalCollection.java

  }

  @Override
  public boolean containsAll(Collection<?> collection) {
    if (!allowNulls) {
      for (Object object : collection) {
        // behave badly
        if (object == null) {
          throw new NullPointerException();
        }
      }
    }
    return super.containsAll(collection);
  }

  @Override
  public Iterator<E> iterator() {

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 23 21:06:42 GMT 2026

- 3.8K bytes

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github.com/google/guava

guava-testlib/src/com/google/common/collect/testing/SafeTreeSet.java

  }

  @Override
  public boolean add(E element) {
    return delegate.add(checkValid(element));
  }

  @Override
  public boolean addAll(Collection<? extends E> collection) {
    for (E e : collection) {
      checkValid(e);
    }
    return delegate.addAll(collection);
  }

  @Override
  public @Nullable E ceiling(E e) {
    return delegate.ceiling(checkValid(e));
  }

  @Override
  public void clear() {

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Wed Mar 18 18:06:14 GMT 2026

- 5.7K bytes

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github.com/google/guava

android/guava/src/com/google/common/collect/Multimaps.java

      Collection<V> collection) {
    if (collection instanceof SortedSet) {
      return Collections.unmodifiableSortedSet((SortedSet<V>) collection);
    } else if (collection instanceof Set) {
      return Collections.unmodifiableSet((Set<V>) collection);
    } else if (collection instanceof List) {
      return Collections.unmodifiableList((List<V>) collection);
    }

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Feb 23 19:19:10 GMT 2026

- 86K bytes

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github.com/google/guava

guava/src/com/google/common/collect/Multimaps.java

      Collection<V> collection) {
    if (collection instanceof SortedSet) {
      return Collections.unmodifiableSortedSet((SortedSet<V>) collection);
    } else if (collection instanceof Set) {
      return Collections.unmodifiableSet((Set<V>) collection);
    } else if (collection instanceof List) {
      return Collections.unmodifiableList((List<V>) collection);
    }

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Feb 23 19:19:10 GMT 2026

- 86.3K bytes

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github.com/google/guava

android/guava-tests/test/com/google/common/collect/ImmutableListTest.java

  public void testCopyOf_shortcut_empty() {
    Collection<String> c = ImmutableList.of();
    assertThat(ImmutableList.copyOf(c)).isSameInstanceAs(c);
  }

  public void testCopyOf_shortcut_singleton() {
    Collection<String> c = ImmutableList.of("a");
    assertThat(ImmutableList.copyOf(c)).isSameInstanceAs(c);
  }

  public void testCopyOf_shortcut_immutableList() {
    Collection<String> c = ImmutableList.of("a", "b", "c");

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Fri Mar 13 13:01:07 GMT 2026

- 24.4K bytes

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github.com/google/guava

guava-tests/test/com/google/common/collect/Collections2Test.java

    assertPermutationsCount(1, Collections2.permutations(Collections.<Integer>emptyList()));
    assertPermutationsCount(1, Collections2.permutations(newArrayList(1)));
    assertPermutationsCount(2, Collections2.permutations(newArrayList(1, 2)));
    assertPermutationsCount(6, Collections2.permutations(newArrayList(1, 2, 3)));
    assertPermutationsCount(5040, Collections2.permutations(newArrayList(1, 2, 3, 4, 5, 6, 7)));

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Thu Mar 12 17:47:10 GMT 2026

- 20.1K bytes

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github.com/google/guava

guava-tests/test/com/google/common/collect/ImmutableListTest.java

  public void testCopyOf_shortcut_empty() {
    Collection<String> c = ImmutableList.of();
    assertThat(ImmutableList.copyOf(c)).isSameInstanceAs(c);
  }

  public void testCopyOf_shortcut_singleton() {
    Collection<String> c = ImmutableList.of("a");
    assertThat(ImmutableList.copyOf(c)).isSameInstanceAs(c);
  }

  public void testCopyOf_shortcut_immutableList() {
    Collection<String> c = ImmutableList.of("a", "b", "c");

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Fri Mar 13 13:01:07 GMT 2026

- 23.8K bytes

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