| Package | Description | 
|---|---|
| com.google.common.collect | 
 This package contains generic collection interfaces and implementations, and other utilities for
 working with collections. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
static <E> Sets.SetView<E> | 
Sets.difference(Set<E> set1,
          Set<?> set2)
Returns an unmodifiable view of the difference of two sets. 
 | 
static <E> Sets.SetView<E> | 
Sets.intersection(Set<E> set1,
            Set<?> set2)
Returns an unmodifiable view of the intersection of two sets. 
 | 
static <E> Sets.SetView<E> | 
Sets.symmetricDifference(Set<? extends E> set1,
                   Set<? extends E> set2)
Returns an unmodifiable view of the symmetric difference of two sets. 
 | 
static <E> Sets.SetView<E> | 
Sets.union(Set<? extends E> set1,
     Set<? extends E> set2)
Returns an unmodifiable view of the union of two sets. 
 | 
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