java.util
Interface Set
- All Superinterfaces:
- Collection
- All Known Subinterfaces:
- SortedSet
- All Known Implementing Classes:
- AbstractSet, HashSet, LinkedHashSet, TreeSet
- public interface Set
- extends Collection
size
public int size()
- Specified by:
size
in interface Collection
isEmpty
public boolean isEmpty()
- Specified by:
isEmpty
in interface Collection
contains
public boolean contains(Object)
- Specified by:
contains
in interface Collection
iterator
public Iterator iterator()
- Specified by:
iterator
in interface Collection
toArray
public Object[] toArray()
- Specified by:
toArray
in interface Collection
toArray
public Object[] toArray(Object[])
- Specified by:
toArray
in interface Collection
add
public boolean add(Object)
- Specified by:
add
in interface Collection
remove
public boolean remove(Object)
- Specified by:
remove
in interface Collection
containsAll
public boolean containsAll(Collection)
- Specified by:
containsAll
in interface Collection
addAll
public boolean addAll(Collection)
- Specified by:
addAll
in interface Collection
retainAll
public boolean retainAll(Collection)
- Specified by:
retainAll
in interface Collection
removeAll
public boolean removeAll(Collection)
- Specified by:
removeAll
in interface Collection
clear
public void clear()
- Specified by:
clear
in interface Collection
equals
public boolean equals(Object)
- Specified by:
equals
in interface Collection
- Overrides:
equals
in class Object
hashCode
public int hashCode()
- Specified by:
hashCode
in interface Collection
- Overrides:
hashCode
in class Object