java.util
Class HashSet
java.lang.Object
|
+--java.util.AbstractCollection
|
+--java.util.AbstractSet
|
+--java.util.HashSet
- All Implemented Interfaces:
- Cloneable, Collection, Serializable, Set
- Direct Known Subclasses:
- LinkedHashSet
- public synchronized class HashSet
- extends AbstractSet
- implements Set, Cloneable, Serializable
- See Also:
- Serialized Form
HashSet
public HashSet()
HashSet
public HashSet(Collection)
HashSet
public HashSet(int,
float)
HashSet
public HashSet(int)
iterator
public Iterator iterator()
- Specified by:
iterator
in interface Set
- Specified by:
iterator
in class AbstractCollection
size
public int size()
- Specified by:
size
in interface Set
- Specified by:
size
in class AbstractCollection
isEmpty
public boolean isEmpty()
- Specified by:
isEmpty
in interface Set
- Overrides:
isEmpty
in class AbstractCollection
contains
public boolean contains(Object)
- Specified by:
contains
in interface Set
- Overrides:
contains
in class AbstractCollection
add
public boolean add(Object)
- Specified by:
add
in interface Set
- Overrides:
add
in class AbstractCollection
remove
public boolean remove(Object)
- Specified by:
remove
in interface Set
- Overrides:
remove
in class AbstractCollection
clear
public void clear()
- Specified by:
clear
in interface Set
- Overrides:
clear
in class AbstractCollection
clone
public Object clone()